No Two Alike

The mystery of human individuality is explored in this book by Judith Rich Harris, author of The Nurture Assumption. Despite the same genes and parents, even identical twins can be vastly different. Harris investigates various popular explanations for human differences but finds them lacking. Instead, she proposes a startlingly original theory of personality based on the idea that the human mind is a toolbox of special-purpose devices. This scientific quest is also a personal story of a courageous and innovative woman who refused to accept what everyone assumed to be true.