Favorite Non-Fiction Sex Books?

Favorite Non-Fiction Sex Books?

evanescentowl evanescentowl
I'm not talking about "based on a true story" erotica here, more like textbook type material. Instructional material, position books, that sort of thing is what I had in mind.

Do you guys have any recommends? Any favorite authors? Have you come across any written by complete quacks?
06/08/2013
  • Sexy Treats For Her! Gorgeous Gift Set For $60
  • Spoil Him! Luxury Gift Set for Men For $60
  • The Complete Lovers Kit! Expert Couples Gift Set For $60
  • Backdoor Ecstasy! Opulent Anal Gift Set For $60
  • Lover's Touch! Deluxe Massage Gift Set For $60
  • 1
  • 2
  • 3
  • 4
  • 5
All promotions
Total posts: 1
Unique posters: 1