Why I Wake Early: New Poems

The Gardener's Guide to Prairie Plants

In The Shadow Of Man

Existential Toolkit for Climate Justice Educators: How to Teach in a Burning World

Galapagos Wildlife: A Folding Pocket Guide to Familiar Animals (Nature Observation International)

An Elephant in My Kitchen: What the Herd Taught Me About Love, Courage and Survival (Elephant Whisperer, 2)

The Wild Trees: A Story of Passion and Daring

Hope Dies Last: Visionary People Across the World, Fighting to Find Us a Future

A Life on Our Planet: My Witness Statement and a Vision for the Future

Heart to Heart: A Timely Tale of Healing, Hope, and Change from His Holiness the Dalai Lama and Mutt's Cartoonist Patrick McDonnell