Sex, Sin, and Zen: A Buddhist Exploration of Sex from Celibacy to Polyamory and Everything in Between is a book written by Zen priest and punk rock bassist Brad Warner. The book is an exploration of sex from a modern Zen Buddhist perspective. It alternates between practical chapters and more arcane, conceptual ones.The book also features an interview with porn star Nina Hartley who was raised in Berkeley, California by two Zen Buddhists.