Reproductive Decisions: An Economic Analysis of Gelada Baboon Social Strategies

The Science of Love and Betrayal

Human Evolution: A Pelican Introduction

Evolution: What Everyone Needs to Know®

Evolution: What Everyone Needs to Know®

The Human Story

How Religion Evolved: And Why It Endures

Grooming, Gossip and the Evolution of Language

The Trouble with Science

Primate Social Systems

Friends: Understanding the Power of our Most Important Relationships

How Many Friends Does One Person Need?: Dunbar's Number and Other Evolutionary Quirks

Evolutionary Psychology: A Beginner's Guide

The Social Brain: The Psychology of Successful Groups

Online Social Networks: Human Cognitive Constraints in Facebook and Twitter Personal Graphs