Your Brain on Porn: Internet Pornography and the Emerging Science of Addiction

Passionista: The Empowered Woman's Guide to Pleasuring a Man (Kerner)

The Penis Book: A Doctor's Complete Guide to the Penis--From Size to Function and Everything in Between

The Male Brain: A Breakthrough Understanding of How Men and Boys Think

Testosterone for Life: Recharge Your Vitality, Sex Drive, Muscle Mass, and Overall Health

The Illustrated Art of Manliness: The Essential How-To Guide: Survival, Chivalry, Self-Defense, Style, Car Repair, And More!

Coping with Erectile Dysfunction: How to Regain Confidence and Enjoy Great Sex

Love Coupons For Him: 60 Sexy, Naughty & Romantic Love Coupons For Boyfriend or Husband | Perfect Valentines day, Anniversary or Birthday Gift For Him (Love Coupon Books)

Mayo Clinic on Incontinence: Strategies and treatments for improving bladder and bowel control

Bonk: The Curious Coupling of Science and Sex