Jan Wolkers wrote which film that was directed by Paul Verhoeven?
Summer Heat (2008 film):  Wolkers, who died while the film was in post-production, also authored the story for van de Ven's first film as an actress, "Turkish Delight" (1973). Turkish Delight (1973 film): Turkish Delight (Dutch: Turks fruit ) is a 1973 Dutch film directed by Paul Verhoeven and filmed by Jan de Bont.
Turkish Delight