Dr. William Roy Pipes, author of five novels has written, THE SINISTER SMILE, a mystery novel featuring Howard Thomas, the affluent son of a wealthy and influential family. Howard, who murdered his mother-in-law plus three others, pled guilty by reason of insanity and was placed in a mental hospital. As the novel begins he is suspected of feigning insanity, and is being visited by his former wife, Willa Mae and her husband William. While they listened to the psychiatrist, Dr. Sylvester Van Gorder as he explained the dire condition of Howard's insanity Howard smiles a sinister smile and winks...