New York. New American Library. A Signet Book 1987. 1st Signet Edition. AE 4737. A very good paperback copy. Light edgewear only. Particularly and surprisingly well-preserved; tight. bright. clean and especially sharp-cornered. ; 349 pages; Form/Genre: Detective and mystery stories. Subjects: Delaware. Alex (Fictitious character) --Fiction. Psychologists --Fiction.ISBN: 0451147375.