"The Playbook for Painless Sex" by Krystyna Holland
"Great Sex Starts at 50: Age-Proof Your Libido & Transform Your Sex Life"
"Best Bondage Erotica Vol. 1"
"Superfreaks: Kink, Pleasure, and the Pursuit of Happiness"
"The Cunnilinguist: How To Give And Receive Great Oral Sex"
"The Big Questions Book of Sex & Consent"
"Ultimate Guide to Anal Sex for Women"
"The Adventurous Couple's Guide to Strap-On Sex"
"Better Bondage for Every Body: With Rope Bondage Experts From Around the World"
"Big Book of Kink: Sexy Stories"
"Butt Seriously: The Definitive Guide to Anal Health"
"The Little Guide to Getting Tied Up: Tips for Rope Bondage Bottoms"
Flogging Book
"Sex Yourself: A Woman's Guide to Mastering Masturbation and Achieving Powerful Orgasms"
"Oral Sex for Every Body: Giving and Receiving for Men and Women"
"Ultimate Guide To Sexual Fantasy" by Violet Blue
"On Fire: Erotic Romance Stories"
"Bound by Lust: Romantic Stories of Submission and Sensuality"
"Best Bondage Erotica Vol. 2"
"Essence of Shibari: Kinbaku and Japanese Rope Bondage"
"Your Sexual Health" by Kate White M.D.
When Someone You Love is Kinky
"Ultimate Guide to Sex After 50"
The Multi-Orgasmic Man