More by Frans de Waal
Are We Smart Enough to Know How Smart Animals Are?
Chimpanzee Politics
Bonobo and the Atheist
Mama's Last Hug
Different - Gender Through the Eyes of a Primatologist
Our Inner Ape
The Age of Empathy
Bonobo
Good Natured
The Ape and the Sushi Master
Peacemaking Among Primates
Tree of Origin: What Primate Behavior Can Tell Us about Human Social Evolution