男人就愛吃這套: 讓他銷魂飛天的52招口愛技巧

Any Man Can: The Multiple Orgasmic Technique for Every Loving Man
By William E. Hartman, Marilyn Fithian
Any Man Can: The Multiple Orgasmic Technique for Every Loving Man
Blow Me!: The Complete Guide
By Stephan Niederwieser
After revealing the secrets of good and relaxed anal intercourse in his bestseller "Bend Over!," Stephan Niederwieser now gives us the ultimate guide to oral stimulation. Finally!
El informe Hite sobre la sexualidad masculina
By Shere Hite
El informe Hite sobre la sexualidad masculina