Introduction : Diversity denied
pt. I. Animal rainbows.
Sex and diversity
Sex versus gender
Sex within bodies
Sex roles
Two-gender families
Multiple-gender families
Female choice
Same-sex sexuality
The theory of evolution
pt. II. Human rainbows.
An embryonic narrative
Sex determination
Sex differences
Gender identity
Sexual orientation
Psychological perspectives
Disease versus diversity
Genetic engineering versus diversity
pt. III. Cultural rainbows.
Two-spirits, mahu, and hijras
Transgender in historical Europe and the Middle East
Sexual relations in antiquity
Tomboi, vestidas, and guevedoche
Trans politics in the United States
Appendix: Policy recommendations.
Evolution's rainbow : diversity, gender, and sexuality in nature and people by Joan Roughgarden. ISBN 0520246799. Published by University of California Press in 2004. Publication and catalogue information, links to buy online and reader comments.