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PROSPECTUS SUPPLEMENT                         This Prospectus Supplement,      
FOR THE PERIOD ENDING                         filed pursuant to Rule 424(b)(3),
NOVEMBER 30, 1998 TO                          relates to Registration Statement
PROSPECTUS DATED                              No. 33-57302-02 and the          
JANUARY 26, 1993                              Prospectus dated January 26, 1993
                                              


                       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): December 15, 1998


                           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 name or 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 December 15, 1998 the Registrant made available the Monthly
Certificateholders' Statement for the Due Period of November 1998, 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 November 30, 1998.



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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: December 15, 1998




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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 November 30, 1998.



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