Ultrasociety: How 10,000 Years of War Made Humans the Greatest Cooperators on Earth
Engineers of Jihad: The Curious Connection between Violent Extremism and Education

Engineers of Jihad: The Curious Connection between Violent Extremism and Education

The Serengeti Rules: The Quest to Discover How Life Works and Why It Matters

The Serengeti Rules: The Quest to Discover How Life Works and Why It Matters