W. D. Hamilton (1936-2000) has been described by Richard Dawkins as 'a good candidate for the title of most distinguished Darwinian since Darwin'. His work on evolutionary biology continues to influence scientists working across a wide variety of disciplines, including evolution, population genetics, animal behaviour, genetics, anthropology, and ecology. This third and final volume of Narrow Roads of Gene Land contains Hamilton's key papers published between 1990 and 2000, a period in which he covered a great diversity of topics, often in collaboration with other scientists. Many of the...