 He is credited as co-screenwriter for "Peau de banane" and "L' Arme à gauche".He also wrote the screenplay for "The Pink Jungle" (1968), adapting a novel by Alan Williams (no relation), and cowrote "Les Félins" ("Joy House") (1964), adapting a novel by Day Keene.Novels in publication order, with alternate titles in the US and the UK; original year of publication; publisher name; and, for Gold Medal and Dell books, initial publication number