Penis Genius is a savvy guide to a man's most compelling organ and how to work it for his pleasure as well as your own. Filled with ingenious techniques for working his wand-from giving a great hand job to blowing his mind (and his member) to finding the best intercourse positions for every shape and size of penis from the huge hulk to the small and nimble to every size and bend in between. Penis Genius also addresses age-old questions such as "Why...