Books
Audiobooks
The Face on Your Plate: The Truth about Food (Unabridged)
2009
Beasts: What Animals Can Teach Us About the Origins of Good Evil (Unabridged)
2014
The Pig Who Sang to the Moon: The Emotional World of Farm Animals
2003
Strays: A Lost Cat, a Homeless Man, and Their Journey across America
2017
Lost Companions
2020
Il maiale che cantava alla luna: La vita emotiva degli animali da fattoria
2019