When Elephants Weep: The Emotional Lives of Animals

Beyond Words: What Animals Think and Feel

The Emotional Lives of Animals: A Leading Scientist Explores Animal Joy, Sorrow, and Empathy - and Why They Matter

Madness: A Brief History

Girl, Interrupted

The Pig Who Sang to the Moon: The Emotional World of Farm Animals

The Elephant Whisperer: My Life with the Herd in the African Wild

Are We Smart Enough to Know How Smart Animals Are?

Elephants on the Edge: What Animals Teach Us about Humanity

Elephant Memories: Thirteen Years in the Life of an Elephant Family

Animal Wise: How We Know Animals Think and Feel