1 “... the same order in different people. This book deals with the origins of human sexuality, sex development...”

2 Subjects: “...Human sexual activity...”

3 Table of Contents: “... -- 26. Family Abuse and Violence -- 27. Human Sexuality -- 28. Theories and Techniques of Marital...”

4 “... size and diet, diet and social organization, and large brains and the human sexual division of labour...”