HIS FIRST NOVEL FOR GROWNUPS From that most dramatically dual of literary personalities, writing not in his classic “Chocolate Factory” incarnation but as the devilish Dahl of Kiss Kiss and Switch Bitch — here is the ultimate adult romp. Behold Uncle Oswald, Michelangelo of seduction. He makes Casanova look like Winnie the Pooh. He stumbles — circa 1919 — onto the world’s most powerful aphrodis...