Considers from a biological perspective the controversial issues: abortion, euthanasia, engineered evolution, cooperativity, and the future of sustainable life on this planet. Exploring in detail the processes by which cells come into being and multiply, this work explains the complex biological research.

Aims to challenge the accepted wisdom about gender identity and sexual orientation. This work takes on the medical establishment, the Bible, social science - and even Darwin himself. It leads the reader through a discussion of diversity in gender and sexuality among fish, reptiles, amphibians, birds, and mammals, including primates.

Develops a controversial alternative theory called social selection, which emphasizes cooperation, elucidates the factors that contribute to evolutionary success in a gene pool or animal social system, and demonstrates that to identify Darwinism with selfishness and individuality misrepresents the facts of life as we now know them.

A summary of our understanding of the ecology of tropical rain-forest trees, with particular emphasis on comparative ecology.