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                                                                  CONFORMED COPY

                       SECURITIES AND EXCHANGE COMMISSION
                             450 Fifth Street, N.W.
                             Washington, D.C. 20549


                                    FORM 8-K

                                 CURRENT REPORT

                     Pursuant to Section 13 or 15(d) of the
                         Securities Exchange Act of 1934


         Date of Report (Date of earliest event reported): June 15, 1999


                           DISCOVER CARD TRUST 1993 B
                           --------------------------
             (Exact name of Registrant as specified in its charter)




Delaware                              0-21506                     Not Applicable
- --------                              -------                     --------------
                                                       
(State of                            (Commission                   (IRS Employer
organization)                        File Number)            Identification No.)



c/o Discover Receivables Financing Group, Inc.
12 Read's Way
New Castle, Delaware                        19720
(Address of principal executive offices)    (Zip Code)


Registrant's telephone number, including area code: (302) 323-7826

                                 Not Applicable
                                 --------------
                 (Former address, if changed since last report)



                                  Page 1 of 14
                         Index to Exhibits is on page 4
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Item 5.  Other Events

On June 15, 1999 the Registrant  made available the Monthly  Certificateholders'
Statement  for the Due  Period of May 1999,  which is  attached  as  Exhibit  21
hereto.

Item 7.  Financial Statements and Exhibits

 (c) Exhibits




Exhibit No.     Description
- -----------     -----------
             
21              Monthly Certificateholders' Statement for Discover Card Trust
                1993 B related to the Due Period ending May 31, 1999.





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                                   SIGNATURES


Pursuant to the  requirements of Section 13 or 15(d) of the Securities  Exchange
Act of 1934,  the  registrant  has duly  caused  this report to be signed on its
behalf by the undersigned, thereunto duly authorized.



                           DISCOVER CARD TRUST 1993 B
                                  (Registrant)

                       By: DISCOVER RECEIVABLES FINANCING
                           GROUP, INC.
                           as originator of the Trust


                   By:  Richard W. York
                      ------------------------------------
                        Richard W. York
                        Vice President


Date:  June 15, 1999



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                                  EXHIBIT INDEX



Exhibit No.         Description
- -----------         -----------
             
21              Monthly Certificateholders' Statement for Discover Card Trust
                1993 B related to the Due Period ending May 31, 1999.




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