Dr. Sadie Allison gives couples the lowdown on everything and anything positional. Illustrated, educational and sexy. Covering anatomy, do's and don'ts, missionary, doggystyle, and girl-on-top variations, specialized positional devices, and even sex during pregnancy. Also features sections on prostate play and positions for bigger women. Presented in an easy-to-read format, with bulleted lists so you can get down and dirty that much faster.