• Sex At Dawn: How We Mate, Why We Stray, and What It Means for Modern Relationships, Christopher Ryan & Cacilda Jetha, 2010
  • America's War on Sex: The Attack on Law, Lust and Liberty, Marty Klein, 2012
  • What Do Women Want?  Daniel Bergner, 2013
  • Radical Honesty: How to Transform your Life By Telling the Truth, Brad Blanton, 1996
  • The Discovery of the Orgone: The Function of the Orgasm,  Wilhelm Reich, 1942
  • The Nature & Evolution of Female Sexuality,  Mary Jane Sherfey, 1966