"The Penis Book" by Aaron Spitz
"The Ultimate Guide to Orgasm for Women"
"Anal Pleasure & Health"
"The Sexually Dominant Woman"
"Thriving in Non-Monogamy an Ethical Slut's Guide: Overcome Jealousy, Enjoy Sex, and Honor Yourself"
"Unspeakably Erotic" - Lesbian Kink
"Hurts So Good: The Science and Culture of Pain on Purpose" by Leigh Cowart
"Bad Sex: Truth, Pleasure, and an Unfinished Revolution" by Nona Willis Aronowitz
"Great Sex Starts at 50: Age-Proof Your Libido & Transform Your Sex Life"
"Male Multiple Orgasm: Techniques That Guarantee You and Your Lover Intense Sexual Pleasure Again and Again and Again"
"Healing Painful Sex"
"Fantastic Foreplay: 60 Sexy Ideas"
"Foundations of Rope Bondage: A Fun and Friendly Introduction to Rope Fundamentals"
"Guide to Basic Rope Bondage"
"You Know, Sex: Bodies, Gender, Puberty, and Other Things"
"Refusing Compulsory Sexuality: A Black Asexual Lens on Our Sex-Obsessed Culture"
"The Ultimate Guide to Bondage"
The Ultimate Guide to Threesomes
The Clitoral Truth
"The Ultimate Guide to Fellatio"
"The Adventurous Couple's Guide to Sex Toys"
"Big Book of Submission" (Vol. 1)
"Butt Seriously: The Definitive Guide to Anal Health"
"More Shibari You Can Use: Passionate Rope Bondage and Intimate Connection"