EXHIBIT 3.6 BYLAWS OF EXPO MAGAZINE, INC. ARTICLE I --------- MEETINGS OF SHAREHOLDERS Section 1. Meetings of shareholders for any purpose may be held at such time and place, within or without the State of Kansas, as shall be stated in the notice of the meeting or in a duly executed waiver of notice thereof. Section 2. Annual meetings of shareholders shall be held once each year on such date and at such time as the Board of Directors may determine. If the Board of Directors fails to specify a date, the annual meeting of shareholders, commencing with the year 1993, shall be held on June 1, if not a legal holiday, and if a legal holiday, then on the next secular day following, at 10:00 a.m. At the annual meeting the shareholders shall elect by a plurality vote a board of directors, and transact such other business as may be properly brought before the meeting. Section 3. Written notice of the annual meeting, stating the place, date and hour of such meeting, shall be given to each shareholder entitled to vote thereat not less than ten (10) days nor more than sixty (60) days before the date of the meeting unless otherwise required by law. Section 4. The officer who has charge of the stock ledger of the corporation shall prepare and make, at least ten (10) days before every meeting of shareholders, a complete list of the shareholders entitled to vote at the meeting, arranged in alphabetical order, showing the address of and the number of shares registered in the name of each shareholder. Such list shall be open to the examination of any shareholder, for any purpose germane to the meeting, during ordinary business hours, for a period of at least ten (10) days prior to the election, either at a place within the city where the meeting is to be held and which place shall be specified in the notice of the meeting, or, if not specified, at the place where the meeting is to be held, and the list shall be produced and kept at the time and place of the meeting during the whole time thereof, and subject to the inspection of any shareholder who may be present. Section 5. Special meetings of the shareholders, for any purpose or purposes, unless otherwise prescribed by law or by the Articles of Incorporation, may be called by the Chairman, Vice Chairman or the President and shall be called by the Chairman, Vice Chairman, President or Secretary at the request in writing of a majority of the Board of Directors, or at the request in writing of shareholders owning a majority in amount of the entire capital stock of the corporation issued and outstanding and entitled to vote. Such request shall state the purpose or purposes of the proposed meeting. Section 6. Written notice of a special meeting of shareholders, stating the place, date, hour and the purpose or purposes thereof, shall be given to each shareholder entitled to vote thereat, not less than ten (10) days before the date fixed for the meeting unless otherwise required by law. Section 7. Business transacted at any special meeting of the shareholders shall be limited to the purposes stated in the notice. Section 8. The holders of a majority of the shares of stock issued and outstanding and entitled to vote thereat, present in person or represented by proxy, shall constitute a quorum at all meetings of the shareholders for the transaction of business except as otherwise provided by law or by the Articles of Incorporation. If, however, such quorum shall not be present or represented at any meeting of the shareholders, the shareholders entitled to vote thereat, present in person or represented by proxy, shall have power to adjourn the meeting from time to time, without notice other than announcement at the meeting, until a quorum shall be present or represented; provided, however, that if the date of any adjourned meeting is more than thirty (30) days after the date for which the meeting was originally noticed, or if a new record date is fixed for the adjourned meeting, written notice of the place, date and hour of the adjourned meeting shall be given in conformity herewith. At such adjourned meeting at which a quorum shall be present or represented, any business may be transacted at the meeting as originally notified. Section 9. When a quorum is present at any meeting, the affirmative vote of the holders of a majority of the shares of stock having voting power present in person or represented by proxy shall decide any question brought before such meeting, unless the question is one upon which, by express provision of law or of the Articles of Incorporation, a different vote is required, in which case such express provision shall govern and control the decision of such question. Section 10. Each shareholder shall at every meeting of the shareholders be entitled to one vote in person or by proxy for each share of the capital stock having voting power held by such shareholder, but no proxy shall be voted or acted upon after three (3) years from its date unless the proxy provides for a longer period, and, except where the transfer books of the corporation have been closed or a date has been fixed as a record date for the determination of its shareholders entitled to vote, no share of stock shall be voted on at any election for directors which has been transferred on the books of the corporation within twenty (20) days preceding such election of directors. Section 11. Any action required to or which may be taken at any annual or special meeting of the shareholders, may be taken without a meeting, without prior notice and without a vote, if a consent in writing, setting forth the action so taken, shall be signed by the holders of outstanding stock having not less than the minimum number of votes that would be necessary to authorize or take such action at a meeting at which all shares entitled to vote thereon were present and voted. Prompt notice of the taking of the corporate action by the shareholders without a meeting by less than unanimous written consent shall be given to those shareholders who have not consented in writing. 2 ARTICLE II ---------- DIRECTORS Section 1. The number of directors which shall constitute the whole Board shall be not less than one (1) nor more than seven (7). As of the date of these Bylaws, the Board shall consist of 5 directors. Thereafter, within the limits above specified, the number of directors shall be determined by resolution of the Board of Directors or by the shareholders at the annual or a special meeting of the shareholders. Except for the election held by the incorporator(s) and except as provided in Section 2 and in Section 13 of this Article III, the directors shall be elected at the annual meeting of shareholders. Each director elected shall hold office until such director's successor is elected and qualified, or until such director's earlier resignation or removal. Directors need not be shareholders. Section 2. Except as provided in Section 13 of this Article III, vacancies and newly created directorships resulting from any increase in the authorized numbers of directors by the directors may be filled by a majority vote of the directors then in office, though less than a quorum, and any director so chosen shall hold office until the next annual election and until such director's successor is duly elected and qualified, unless such director resigns or is removed. Section 3. The business of the corporation shall be managed by its Board of Directors which may exercise all such powers of the corporation and do all such lawful acts and things as are not by law or by the Articles of Incorporation or by these Bylaws directed or required to be exercised or done by the shareholders. Section 4. The Board of Directors of the corporation may hold meetings, both regular and special, either within or without the State of Kansas. Section 5. Regular meetings of the Board of Directors may be held at such time and at such place as shall from time to time be determined by the Board. Five (5) days' notice of all regular meetings shall be given, and such notice shall state the place, date, hour and the business to be transacted at and purpose of such meeting. Section 6. Special meetings of the Board may be called by the Chairman, Vice Chairman or President on three (3) days' notice to each director either personally or by mail or by telegram. Special meetings shall be called by the Chairman, Vice Chairman or President or Secretary in like manner and on like notice on the written request of two (2) directors unless the corporation has at that time less than three (3) directors, in which latter event the request of only one (1) director shall be required. Notice of any special meeting shall state the place, date, hour and the business to be transacted at and the purpose of such meeting. Section 7. At all meetings of the Board, a majority of the directors shall constitute a quorum for the transaction of business, and the act of a majority of the directors present at any meeting at 3 which there is a quorum shall be the act of the Board of Directors, except as may be otherwise specifically provided by law or by the Articles of Incorporation. If a quorum shall not be present at any meeting of the Board of Directors, the directors present thereat may adjourn the meeting from time to time, without notice other than announcement at the meeting, until a quorum shall be present. Section 8. The Board of Directors may, by resolution, passed by a majority of the whole Board, designate one or more committees, each committee to consist of one (1) or more of the directors of the corporation, which, to the extent provided in the resolution, shall have and may exercise the powers of the Board of Directors in the management of the business and affairs of the corporation and may authorize the seal of the corporation to be affixed to all papers which may require it. Such committee or committees shall have such name or names as may be determined from time to time by resolution adopted by the Board of Directors. Section 9. Each committee shall keep regular minutes of its meetings and report the same to the Board of Directors when required. Section 10. Members of the Board of Directors, or of any committee thereof, may participate in a meeting of such Board or committee by means of conference telephone or similar communications equipment that enables all persons participating in the meeting to hear each other. Such participation shall constitute presence in person at such meeting. Section 11. Unless otherwise restricted by the Articles of Incorporation or these Bylaws, any action required or permitted to be taken at any meeting of the Board of Directors or any committee thereof may be taken without a meeting, if a written consent to such action is signed by all members of the Board or of such committee as the case may be, and such written consent is filed with the minutes of proceedings of the Board or committee. Section 12. The directors may be paid their expenses, if any, of attendance at such meeting of the Board of Directors and may be paid a fixed sum for attendance at such meeting of the Board of Directors or a stated salary as director. No such payment shall preclude any director from serving the corporation in any other capacity and receiving compensation therefor. Members of special or standing committees may be allowed like compensation for attending committee meetings. Section 13. Any director may be removed, for cause or without cause, by a majority vote of the shareholders entitled to vote for the election of such director at any annual or special meeting of the shareholders. Upon such removal of a director, the shareholders (and not the remaining directors) may elect a director to replace such removed director at the same shareholders' meeting at which such removal took place or at a subsequent shareholders' meeting. 4 ARTICLE III ----------- NOTICES Section 1. Notices to directors and shareholders shall be in writing and delivered personally or mailed to the directors or shareholders at their addresses appearing on the books of the corporation. Notice by mail shall be deemed to be given at the time when the same shall be deposited in the United States mail, postage prepaid. Notice to directors may also be given by telegram. Notice by telegram shall be deemed to be given when delivered to the sending telegraph office. Section 2. Whenever any notice is required to be given under the provisions of law or of the Articles of Incorporation or of these Bylaws, a waiver thereof in writing, signed by the person or persons entitled to such notice, whether before or after the time stated ,therein, shall be deemed equivalent to notice. ARTICLE IV ---------- OFFICES Section 1. In addition to the registered office designated in the Articles of Incorporation, the corporation may also have offices at such other places both within and without the State of Kansas as the Board of Directors may from time to time determine or the business of the corporation may require. ARTICLE V --------- OFFICERS Section 1. The officers of the corporation shall be chosen by the Board of Directors and shall at a minimum, consist of a President and a Secretary. The Board of Directors may also choose additional officers, including a Chairman or Vice Chairman of the Board of Directors, one or more Vice-Presidents who may be classified by their specific function, a Secretary, a Treasurer and one or more Assistant Secretaries and Assistant Treasurers. Two or more offices may be held by the same person, except the offices of President and Secretary. Section 2. The Board of Directors at its first meeting and after each annual meeting of shareholders shall choose a President and a Secretary, and may choose such other officers and agents as it shall deem necessary. Section 3. The officers of the corporation shall hold office until their successors are chosen and qualify, or until their earlier resignation or removal. Any vacancy occurring in any office of the corporation shall be filled by the Board of Directors. 5 Section 4. The Chairman of the Board, or in his absence the Vice Chairman of the Board, shall preside at all meetings of the Board of Directors of the corporation and may preside at meetings of the shareholders. The Chairman of the Board and the Vice Chairman of the Board shall both be ex-officio members of all standing committees and shall see that all orders and resolutions of the Board are carried into effect. The Chairman of the Board and the Vice Chairman of the Board shall each, with powers concurrent with the President, have authority to execute, with the Secretary or an Assistant Secretary, certificates of shares of the corporation and sign and execute in the name of the corporation authorized deeds, mortgages, bonds, contracts or other instruments, except in cases in which the signing and execution thereof shall have been expressly delegated to some other officer or agent of the corporation. Section 5. Either the Chairman, Vice Chairman or the President shall be designated by the Board of Directors as Chief Executive Officer of the Corporation. The Chief Executive Officer shall have direct charge and supervision of the business of the corporation. If the President is not designated as the Chief Executive Officer, he shall be designated as the Chief Operating Officer, in which case he shall have the day-to-day responsibility for the operation of the corporation and, generally, shall perform all duties incident to the office of a President of a corporation and such other duties as, from time to time, may be assigned to him by the Chief Executive Officer or the Board of Directors. The President may preside at meetings of the shareholders and at meetings of the Board of Directors at which the Chairman of the Board or Vice Chairman of the Board is not present. He may sign with the Secretary or an Assistant Secretary, certificates of shares of the corporation; he may sign and execute, in the name of the corporation, all authorized deeds, mortgages, bonds, contracts or other instruments, except in cases of which the signing and execution thereof shall have been expressly delegated to some other officer or agent of the corporation. Section 6. If an Executive Vice President be elected, he shall be the Senior Vice President of the Company and shall act as President in the absence or incapacity of the President. The duties and authority of the Executive Vice President, the Senior Vice President or any other vice presidents shall be as determined by the Board of Directors. Section 7. The Secretary shall keep the minutes of the meetings of the shareholders and of the Board of Directors in books provided for the purpose, and shall see that all notices are duly given in accordance with the provisions of these Bylaws, or as required by law; he or she shall be custodian of the records and of the separate seal or seals of the corporation; he or she shall see that the corporate seal is affixed to all documents, the execution of which, on behalf of the corporation, under its seal, is duly authorized, and when so affixed may attest the same; and in general, he or she shall perform all duties incident to the office of a Secretary of a corporation and such other duties as, from time to time, may be assigned to him or her by the Board of Directors. The Secretary may sign, with the Chairman, President or a Vice President, certificates of stock of the corporation. 6 Section 8. The Treasurer shall have charge of and be responsible for all fund, securities, receipts and disbursements of the corporation and shall deposit or cause to be deposited, in the name of the corporation all monies or other valuable effects in such banks, trust companies or other depositories as shall, from time to time, be selected by the Board of Directors; he shall render to the Chairman, President and the Board of Directors whenever requested an account of the financial condition of the corporation; and, in general, shall perform all the duties incident to the office of a Treasurer of a corporation, and such other duties as may be assigned to him by the Board of Directors. The Treasurer shall give the corporation a bond, if required by the Board of Directors, in a sum and with one or more sureties satisfactory to the Board for the faithful performance of the duties of his office, and for the restoration to the corporation, in case of his death, resignation, retirement or removal from office, of all books, papers, vouchers, money and other property of whatever kind in his possession or under his control belonging to the corporation. Section 9. The Board of Directors may elect one or more Assistant Secretaries and one or more Assistant Treasurers. Each Assistant Secretary, if any, and each Assistant Treasurer, if any, shall hold office for such period as the Board of Directors may prescribe. Any Assistant Secretary may, in the absence or the disability of the Secretary, perform the duties and exercise the powers of the Secretary and any Assistant Treasurer may, in the absence or disability of the Treasurer, perform the duties and exercise the powers of the Treasurer. Each of such officers shall perform such other duties as the Board of Directors shall prescribe. Section 10. The Board of Directors may elect such subordinate officers as it may deem desirable. Each such officer shall hold office for such period, have such authority and perform such duties as the Board of Directors shall prescribe. The Board of Directors may, from time to time, authorize any officer to appoint and remove subordinate officers and prescribe the powers and duties thereof. Section 11. The Board of Directors shall have the power to fix the compensation of all officers of the corporation. It may authorize any officer upon whom the power of appointing subordinate officers may have been conferred to fix the compensation of such subordinate officers. Section 12. Any officer of the corporation may be removed, with or without cause, by a vote of a majority of the entire Board of Directors at a meeting called for that purpose, or (except in case of an officer elected by the Board of Directors) by an officer upon whom such power of removal may have been conferred. Section 13. In case of the absence of any officer of the corporation or for any other reason that the Board may deem sufficient, the Board may delegate, for the time being, the powers or duties, or any of them, of such officer to another officer, or to any Director, provided a majority of the entire Board concurs therein. 7 ARTICLE VI ---------- CERTIFICATES OF STOCK, TRANSFERS OF STOCK CLOSING OF TRANSFER BOOKS AND REGISTERED SHAREHOLDERS Section 1. Every holder of stock in the corporation shall be entitled to have a certificate, signed by, or in the name of, the corporation by the Chairman or Vice-Chairman of the board of Directors, or the President or a Vice- President, and by the Treasurer or an Assistant Treasurer, or the Secretary or an Assistant Secretary of the corporation, certifying the number of shares owned by the shareholder in the corporation. Section 2. Any or all the signatures on the certificate may be by facsimile. In case any officer, transfer agent or registrar who has signed or whose facsimile signature has been placed upon a certificate shall have ceased to be such officer, transfer agent or registrar before such certificate is issued, it may be issued by the corporation with the same effect as if the person who signed the certificate was such officer, transfer agent or registrar at the date of issue. Section 3. The Board of Directors may direct a new certificate or certificates to be issued in place of any certificate or certificates theretofore issued by the corporation alleged to have been lost or stolen or destroyed, upon the making of an affidavit of that fact by the person claiming the certificate of stock to be lost, stolen or destroyed. When authorizing such issue of a new certificate or certificates, the Board of Directors may, in its discretion and as a condition precedent to the issuance thereof, require the owner of such lost, stolen or destroyed certificate or certificates, or such owner's legal representative, to advertise the same in such manner as the corporation shall require and/or to give the corporation a bond in such sum as the corporation may direct as indemnity against any claim that may be made against the corporation with respect to the certificate alleged to have been lost, stolen or destroyed. Section 4. Subject to transfer restrictions permitted by law and to stop transfer orders directed in good faith by the corporation to any transfer agent to prevent possible violations of federal or state securities laws, rules or regulations, upon surrender to the corporation or the transfer agent of the corporation of a certificate for shares duly endorsed or accompanied by proper evidence of succession, assignment or authority to transfer, it shall be the duty of the corporation to issue a new certificate to the person entitled thereto, cancel the old certificate and record the transaction upon its books. Section 5. The Board of Directors may fix a record date, which shall not be more than sixty (60) nor less than ten (10) days before the date of any meeting of shareholders, nor more than sixty (60) days prior to the time for the other action hereinafter described, as of which there shall be determined the shareholders who are entitled: to notice of or to vote at any meeting of shareholders or any adjournment thereof; to express consent to corporate action in writ 8 ing without a meeting; to receive payment of any dividend or other distribution or allotment of any rights; or to exercise any rights with respect to any change, conversion or exchange of stock or with respect to any other lawful action. Section 6. The corporation shall be entitled to treat the person in whose name any share of stock is registered on the books of the corporation as the owner thereof for all purposes and shall not be bound to recognize any equitable or other claim or other interest in such shares in the part of any other person, whether or not the corporation shall have express or other notice thereof. ARTICLE VII ----------- GENERAL PROVISIONS Section 1. Dividends upon the capital stock of the corporation, subject to the provisions of the Articles of Incorporation, if any, may be declared by the Board of Directors at any regular or special meeting, pursuant to law. Dividends may be paid in cash, in property or in shares of the corporation's capital stock. Section 2. There may be set apart out of any of the funds of the corporation available for dividends such amounts as the Board of Directors deems proper as a reserve or reserves for working capital, depreciation, losses in value, or for any other proper corporate purpose, and the Board of Directors may increase, decrease or abolish any such reserve in the manner in which it was created. Section 3. The Board of Directors shall present at each annual meeting and at any special meeting of the shareholders when called for by vote of the shareholders, a full and clear statement of the business and condition of the corporation. Section 4. All checks or demands for money and notes of the corporation shall be signed by such officer or officers or such other person or persons as the Board of Directors may from time to time designate. Section 5. The fiscal year of the corporation shall be as fixed by the Board of Directors. Section 6. The Board of Directors may provide a suitable seal, containing the name of the corporation, which seal shall be in charge of the Secretary. If and when so directed by the Board of Directors or a committee thereof, duplicates of the seal may be kept and used by the Treasurer or by the Assistant Secretary or Assistant Treasurer. The seal may be used by causing it, or a facsimile thereof, to be impressed or affixed or in any other manner reproduced. Section 7. The books of account and other records of the corporation may be kept (subject to any provisions of Kansas law) at the principal place of business or executive offices of the corporation. 9 ARTICLE VIII ------------ INDEMNIFICATION OF OFFICERS, DIRECTORS, EMPLOYEES AND AGENTS To the extent and in the manner permitted by the laws of the State of Kansas, the corporation shall indemnify any person who was or is a party or is threatened to be made a party to any threatened, pending or completed action, suit or proceeding, whether civil, criminal, administrative or investigative, other than an action by or in the right of the corporation, by reason of the fact that such person is or was a director, officer, employee or agent of the corporation, or is or was serving at the request of the corporation as a director, officer, employee or agent of another corporation, partnership, joint venture, trust or other enterprise against expenses, including attorneys' fees, judgments, fines and amounts paid in settlement. ARTICLE IX ---------- AMENDMENTS The Bylaws may be amended or repealed, or new bylaws may be adopted, by the shareholders or by the Board of Directors at any regular meeting of the shareholders or of the Board of Directors, or at any special meeting of the shareholders or of the Board of Directors if notice of such amendment, repeal, or adoption of new bylaws be contained in the notice of such special meeting. APPROVED AND RATIFIED as of this 10th day of June, 1992, by the undersigned, constituting all of the directors of the corporation. /s/ G. Douglas Fox ---------------------------- G. Douglas Fox /s/ Howard G. Barnett, Jr. ---------------------------- Howard G. Barnett, Jr. /s/ Robert E. Craine, Jr. ---------------------------- Robert E. Craine, Jr. /s/ Wayne Atwood ---------------------------- Wayne Atwood /s/ Donna P. Sanford ----------------------------- Donna P. Sanford 10