24 alien agenda , by jim marrs , harper collins publishers , 1997 , plausible deniability , pages 132 thru 135 25 project bluebook exposed , by kevin d. randle , marlowe , new york , ny , 1997 , `` in the beginning ... '' , pages 15 thru 20 26 alien agenda , by jim marrs , harper collins publishers , 1997 , plausible deniability , page 136 chapter 6 formal contact ref .