Catherine Coulter is the author of the New York Times bestselling FBI thrillers The Cove , The Maze , The Target , The Edge , Riptide , Hemlock Bay , Eleventh Hour , Blindside , Blowout , Point Blank , Double Take , TailSpin , KnockOut , Whiplash , Split Second , Backfire , Bombshell , and Power Play . She is also the author, with J. T. Ellison, of the New York Times bestsellers The Final Cut and The Lost Key .