You want a good ol’ pot-boiler of a read? Find a copy of Yellow Peril by Richard Jaccoma (1978). It’s got everything; The Spear of Longinus, the Mafia, Tantric sex rituals, Hitler and Julius Streicher, Yetis, Lubbavicher Rebs in cahoots with oriental criminal masterminds, anal sex, and Dacoits, for starters.