Mark of the Grizzly

Through the Wilderness: My Journey of Redemption and Healing in the American Wild

Taken by Bear in Yellowstone: More Than a Century of Harrowing Encounters between Grizzlies and Humans

Polar Bears: The Natural History of a Threatened Species

Spawn Till You Die: The Fin Art of Ray Troll

Remembering Bears

Down From The Mountain: The Life and Death of a Grizzly Bear

Bear in the Back Seat II: Adventures of a Wildlife Ranger in the Great Smoky Mountains National Park (Smokies Wildlife Ranger)

Bear Attacks of the Century: True Stories Of Courage And Survival

Polar Bears: A Complete Guide to Their Biology and Behavior