EXHIBIT 7.1 JOINT FILING AGREEMENT We, the signatories of the statement on Schedule 13D to which this Agreement is attached, hereby agree that such statement is, and any amendments thereto filed by any of us will be, filed on behalf of each of us....

                                 EXHIBIT 7.1


                            JOINT FILING AGREEMENT


     We,  the  signatories of the statement  on  Schedule  13D  to  which  this
Agreement is attached,  hereby agree that such statement is, and any amendments
thereto filed by any of us will be, filed on behalf of each of us.

Dated:  June 16, 1997



                            THE HEARST CORPORATION


                            By:  /S/ XXXXX X. XXXX
                                 -----------------------------
                                 Name:  Xxxxx X. Xxxx
                                 Title: Vice President


                            THE HEARST FAMILY TRUST


                            By:  /S/ XXXXXX X. XXXXX
                                 -----------------------------
                                 Name:  Xxxxxx X. Xxxxx
                                 Title: Trustee

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