Acquiring genomes: a theory of the origins of species.

New York: Basic Books, 2003.
Octavo, paperback, 240 pp. black and white photographs and text illustrations.

This is the first work to integrate and analyze the overwhelming mass of evidence, now scattered in obscure journals, for the role of bacterial and other symbioses in the creation of plant and animal diversity. Sure to be seen as a groundbreaking and controversial book, it provides the most powerful explanation of speciation yet given.