New York: William H. Morrow, 1981. dj. SIGNED hardcover first edition - An early (the sixth) novel by this award winning writer, including the PWA Life Achievement Award. When psychiatrist Dana Larsen is found murdered, his friend, Senator Jerry Andrews, is determined to track down the sociopathic killer. Barry Malzberg called this "one of the most ingenious puzzles and solutions in the history of the suspense genre . . . the single most disturbing book I have read in many years." SIGNED on the title page. 262 pp. ISBN: 0-312-099223.