| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Nature of the Sexes: the Sociobiology of Sex Differences and the " Battle of the Sexes " | 978-90-74528-01-6 (90-74528-01-5) | 1992 |
| The Origin of War, Vol. 2: The Evolution of a Male-Coalitional Reproductive Strategy | 978-90-74528-06-1 (90-74528-06-6) | 1995 |