Ultimate Sex Guide: Four books in One is the ultimate guide to achieving what we all desire - a satisfying, healthy, passionate sex life. The books within were written with sensually curious, sexually ambitious individuals and couples like you in mind. In between these pages of the first two books, you will veer beyond the surface of tantric sex and Kama Sutra, gaining a deep understanding of what they are really all about. In the third book you will master the art of talking dirty, bringing your partner intense excitement, and in many cases - orgasm, just by the sound of your voice. The last book will instruct you on how to maneuver exciting, unique and safe sex positions that are sure to spice up your lovemaking sessions.