Beyond Words: What Animals Think and Feel

Are We Smart Enough to Know How Smart Animals Are?

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

Mama's Last Hug: Animal Emotions and What They Tell Us about Ourselves

When Elephants Weep: The Emotional Lives of Animals

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

Song for the Blue Ocean

Animalkind: Remarkable Discoveries About Animals and Revolutionary New Ways to Show Them Compassion

The Hidden Life of Trees: What They Feel, How They Communicate_Discoveries from A Secret World

Random Acts of Kindness by Animals