Hoelldobler and Wilson review in exhaustive detail virtually all topics in the anatomy, physiology, social organization, ecology, and natural history of ants. Their book illustrates each of the 292 living genera of ants-there are approximately 8,800 known species-and provides detailed taxonomic keys to them, region by region araound the world. They tell the story of the evolution of ants from their origins over a hundred million years ago and explore every aspect of ant social life for the major types of ants, including leafcutters, army ants, weaver ants, and many others.