The Male Sexual Machine: An Owner's Manual »

Provides answers to dozens of question on andrology — the study of male sexual health, from aphrodisiacs to vasectomies, supplying solid advice as well as entertaining little-known facts. Both men & women will enjoy this book. Includes descriptions of male sexual organs & hormones, sperm, the prostate gland, sexual activity & the male body, causes & treatment of male impotence, infertility, vasectomy, & the effects of stress. Dr. Purvis is a leading researcher in andrology at the National Hospital in Oslo, Norway.