"[A] thought-provoking and important book. It provides just the kind of careful and lively treatment one would expect from Daly, an accomplished evolutionary psychologist and a pioneer of applying Darwin's insights to criminal behaviour... I liked this book more than I wanted to, not least because Daly can really write, conveying complex ideas in easy-to-understand and evocative prose. He meticulously builds the already well-known but still often-resisted case that homicides, being largely male-on-male, are rooted in the fierce competition that almost all male mammals exhibit, primarily for mates... Daly also demolishes the prejudice... that men are homicidal maniacs who prey largely on helpless women. In truth, in every country with a non-negligible homicide rate, men kill men far more often than they kill women, by a worldwide factor of almost 4 to 1." - New Scientist