Sense and Nonsense, third edition, provides an introduction to the ideas, methods and findings of evolutionary theory. Understanding the evolutionary roots of the behavior of humans and other animals is one of the highest profile scientific projects of our times, with pitfalls and controversies in proportion to the scope of its aspirations. In this third edition of their classic volume, Brown and Lala provide us with a ringside seat to debates in this ever-evolving field, merging historical analysis with up-to-the-minute insights about the present and future of the discipline. Sense and Nonsense is the ultimate insider's guide to the history of one of our most ambitious attempts to understand ourselves and our place on the planet.