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                                   EXHIBIT "9"
                             JOINT FILING AGREEMENT

        Liviakis Financial Communications, Inc., John M. Liviakis and Renee A.
Liviakis (collectively the "Parties" and individually a "Party") hereby agree
that they shall file a single statement on Schedule 13D (as amended from time to
time, the "Statement") with respect to their beneficial ownership of shares of
the Common Stock, without par value (the "Securities"), of Cotton Valley
Resources Corporation, a Yukon, Canada corporation, on behalf of and in
satisfaction of the obligations of all of the Parties and that they shall amend
the Statement from time to time as required by rules promulgated under the
Securities Exchange Act of 1934, as amended.

        Each of the Parties represents and warrants that such Party is eligible
to use Schedule 13D with respect to information regarding the Securities and
agrees to assume responsibility for the timely filing of the Statement and any
amendments thereto. Each of the Parties hereby assumes responsibility for the
completeness and accuracy of the information concerning such Party contained in
the Statement. No Party shall be responsible for the completeness and accuracy
of the information contained in the Statement concerning the other Parties,
unless such Party knows or has reason to believe that such information is
incomplete or inaccurate. The execution of the Statement, including any
amendment thereto, by one of the Parties shall constitute a representation by
such Party that the information concerning such Party contained therein is
complete and accurate and that such Party neither knows nor has any reason to
believe that the information concerning the other Parties contained therein is
either incomplete or inaccurate. This Joint Filing Agreement may be executed in
two or more counterparts, each of which shall be deemed an original but which
together shall constitute one and the same instrument.

        In Witness Whereof, the Parties have executed this Joint Filing
Agreement this 22nd day of April, 1999.

                                    LIVIAKIS FINANCIAL COMMUNICATIONS, INC.

                                    By:  /s/John M. Liviakis
                                        -------------------------------------
                                            John M. Liviakis, President


                                               /s/ John M. Liviakis
                                    -----------------------------------------
                                                   John M. Liviakis


                                               /s/ Renee A. Liviakis
                                    -----------------------------------------
                                                   Renee A. Liviakis



