Social behavior has long puzzled evolutionary biologists, since the classical theory of natural selection maintains that individuals should not sacrifice their

From mitochondria to meerkats, the natural world is full of spectacular examples of social behaviour. In the early 1960s Bill Hamilton changed the way we think

Investigates and sets out the common principles of social evolution operating across all taxa and levels of biological organisation.

New York Times Bestseller and Notable Book of the Year A Kirkus Reviews Book of the Year (Nonfiction) Longlisted for the Andrew Carnegie Medal for Excellence (N

Social behavior has long puzzled evolutionary biologists, since the classical theory of natural selection maintains that individuals should not sacrifice their