Deep into Yellowstone: A Year’s Immersion in Grandeur and Controversy

Never Cry Wolf

The Anthropocene Reviewed: The Instant Sunday Times Bestseller

The Invention of Nature: The Adventures of Alexander von Humboldt, the Lost Hero of Science: Costa & Royal Society Prize Winner

The High Sierra: A Love Story

Gorillas in the Mist

The Book of Hope: A Survival Guide for Trying Times

A Book of Bees: And How to Keep Them

The Genius of Birds

The Whisper on the Night Wind: The True History of a Wilderness Legend

Toms River: A Story of Science and Salvation

A Wolf Called Romeo

A Thousand Mile Walk to the Gulf

Funny Farm: My Unexpected Life with 600 Rescue Animals

Organic planet: Autobiography of an eco-loving Yogi

The World According to Bob: The further adventures of one man and his street-wise cat

Into the Planet: My Life as a Cave Diver

My Garden World: the Sunday Times bestseller

Cat Tale: The Wild, Weird Battle to Save the Florida Panther

Where the Falcon Flies: A 3,400 Kilometre Odyssey From My Doorstep to the Arctic