A long-awaited masterpiece from an esteemed sexologist, this priceless collection of advice will leave readers singing Eric's praises and shouting for an encore.
If a man's biceps get stronger and harder with exercise, why can't his penis? The answer: It can. Despite popular belief, more than 1.3 million men have already learned the truth: The penis, like other muscles, is shapeable through exercises. For the first time ever, this book shows how you can: