Narrow Roads of Gene Land: The Collected Papers of W. D. Hamilton Volume 2: Evolution of SexW. D. Hamilton is considered by many the most important theoretical biologist of the 20th century. He has made major discoveries in evolutionary biology, genetics, and social behavior, and his essays continue to exert tremendous influence throughout the discipline. This second volume of his collected papers focuses on his groundbreaking work on sex and sexual selection. It contains the 18 papers he published between 1980 and 1991, many of them