70. [4-3] 10/10/89 THE BEST SELLER Julie opens the book on her own investigation when her friend, the husband of a bestselling author, is accused of killing a woman with poison supposedly meant for his wife. w. Robert Schlitt d. Christopher Hibler music by Dick De Benedictis Les 'Ace' Calhoun..(special).Don Knotts Cynthia Slayton..............Tricia O'Neil Phillip Slayton..............Don Galloway Joanna Morrell...............Wendy Fulton Evelyn.......................Lora Staley Asst DA......................Steven Anderson Elizabeth....................Eileen Barnett Secretary....................Kathy Garver Judge Cooksey................Richard Newton