Books on improving your body, relationships and sex life:
The Playful Partnership For Beloveds in Business: A Wise Man’s Guide to Keep Harmony at Work and Passion at Play by Taylore Ashlie (great for women too!)

Sensuous Living: Expand Your Sensory Awareness (Llewellyn’s Whole Life Series) by Nancy Conger

The Ethical Slut: A Practical Guide to Polyamory, Open Relationships & Other Adventures by Dossie Easton and Janet W. Hardy

Exhibitionism for the Shy by Carol Queen

I Love Female Orgasm: An Extraordinary Orgasm Guide by Dorian Solot and Marshall Miller

Women’s Anatomy of Arousal by Sheri Winston

Sm 101: A Realistic Introduction by Jay Wiseman

Academic / Nonfiction / Historical Books:
Public Sex: The Culture of Radical Sex by Pat Califa

Sexual Fluidity: Understanding Women’s Love and Desire by Lisa M. Diamond

Sexing the Body: Gender Politics and the Construction of Sexuality by Anne Fausto-Sterling

The History of Sexuality, Vol. 1: An Introduction by Michael Foucault

Deviant Desires: Incredibly Strange Sex by Katharine Gates

Against Love: A Polemic by Laura Kipnis

Bound and Gagged: Pornography and the Politics of Fantasy in America by Laura Kipnis

Making Sex: Body and Gender from the Greeks to Freud by Thomas Laqueur

Sex at Dawn: How We Mate, Why We Stray, and What It Means for Modern Relationships by Christopher Ryan and Cacilda Jetha

Sex Is Not A Natural Act & Other Essays by Leonore Tiefer

The Trouble with Normal: Sex, Politics, and the Ethics of Queer Life by Michael Warner

Best Women’s Erotica 2009 edited by Violet Blue

Novels / Plays / Fiction:
The Vagina Monologues by Eve Ensler

Stone Butch Blues: A Novel by Leslie Feinberg

Biographical Stories of Sexual Discovery:
Thanks for Coming: One Young Woman’s Quest for an Orgasm (P.S.) by Mara Altman

Sex for One: The Joy of Selfloving by Betty Dodson