Why Life Sex

Strong Foundations : Why pelvic health matters – An empowering guide to understanding your body

Vitamin O : Why Orgasms are Vital to a Woman's Health and Happiness, and How to Have Them Every Time!

Natasha Janina Valdez

Why is Sex Fun?

Jared Diamond

The Art of Sleeping Alone: Why One French Woman Suddenly Gave Up Sex

Sophie Fontanel

Becoming Cliterate : Why Orgasm Equality Matters--And How to Get It

Laurie Mintz

Why Women Have Sex

David M. Buss, Cindy M. Meston

Why Porn Stars Do Drugs

Johnny Quick

Why Sex Matters : The Ultimate Guide to Understanding the Importance of Sex, Learn the Secrets of the Spiritual Satisfaction of Sex

S. T. Thompson

Why Men Fake It

Abraham Morgentaler

Crazy Little Thing : Why Love and Sex Drive Us Mad

Liz Langley

101 sex life hacks and why you need them

Ida Rundberg