A Sign for Cain Wertham M.D. Product Code: 301.1 Quantity: $19.95 inc. tax Add to Cart Facebook Google + Pinterest Twitter Description This 1966 first edition of "A Sign for Cain" by Fredric Wertham, M.D. is in very good condition. It contains a dust jacket and the library stamp with a library card sleeve on its first page. Click-on right side bottom circle to see back cover.