Hope for Animals and Their World: How Endangered Species Are Being Rescued from the Brink

Seeds of Hope: Wisdom and Wonder from the World of Plants

Living the Wild Life

My Life with the Chimpanzees

My Life with the Chimpanzees

The Book of Hope: A Survival Guide for an Endangered Planet

The Book of Hope: A Survival Guide for Trying Times

Reason for Hope

Dogs Demystified: An A–Z Guide to All Things Canine

Harvest for Hope: A Guide to Mindful Eating