The Ascent of Mammals: How DNA Discoveries are Rewriting our Story

The Book of Birds: A Field Guide to Wonder and Loss

Ornithography: An Illustrated Guide to Bird Lore & Symbolism

Sharkpedia: A Brief Compendium of Shark Lore

Ocean Anatomy: The Curious Parts & Pieces of the World under the Sea

The Story of Birds: A New History from Their Dinosaur Origins to the Present

The Butterfly Season: What 64 Butterflies Taught Me About Nature's Great Mysteries and the Meaning of Life

Bird Anatomy: The Curious Lives of the World's Feathered Creatures

The Birds That Audubon Missed: Discovery and Desire in the American Wilderness

Wildlife Anatomy: The Curious Lives & Features of Wild Animals around the World

Insect Anatomy: The Curious World of Bees, Beetles, Butterflies, and Bugs

The Ghost of the Mountains: Unraveling the Secrets of the Snow Leopard

Zoology: Inside the Secret World of Animals

Pests & Other Friends: Discover the True Nature of the Most Maligned Animals

What It's Like to Be a Bird: From Flying to Nesting, Eating to Singing--What Birds Are Doing, and Why

The Secret History of Sharks: The Rise of the Ocean's Most Fearsome Predators

Tigers Between Empires: The Improbable Return of Great Cats to the Forests of Russia and China

Snake: The Essential Visual Guide

Gifts of the Crow: How Perception, Emotion, and Thought Allow Smart Birds to Behave Like Humans

Spiders of the World: A Natural History

National Geographic The Photo Ark: One Man's Quest to Document the World's Animals