[en] Secret Historian · The Life and Times of Samuel Steward, Professor, Tattoo Artist, and Sexual Renegade Farrar, Straus and Giroux
[en] [The Truth About Sex 02] • A Sex Primer for the 21st Century CCB Publishing
[en] The natural superiority of women AltaMira Press
[en] Sex at Dawn · the Prehistoric Origins of Modern Sexuality HarperCollins
[en] Midnight Thirsts Melange Books, LLC
[en] Why Men Fake It · the Totally Unexpected Truth About Men and Sex Henry Holt and Co.
[en] Healing the Wounded Heart Workbook Baker Books
[en] [Gutenberg 61729] • Sex & Character / Authorised Translation from the Sixth German Edition Indiana University Press
[en] [Gutenberg 47501] • Married Love: A New Contribution to the Solution of Sex Difficulties Createspace Independent Publishing Platform
[en] Great Sex · A Man's Guide to the Secret Principles of Total-Body Sex Rodale Books