Trees of Colorado Field Guide: Edition 2

Trees of Missouri Field Guide: Edition 2

Trees of New York Field Guide: Edition 2

Trees of the Carolinas Field Guide: Edition 2

Birds of Wyoming Field Guide: Includes Yellowstone & Grand Teton National Parks

Trees of New England Field Guide

Trees of Illinois Field Guide: Edition 2

Trees of Indiana Field Guide: Edition 2

Trees of Minnesota Field Guide: Edition 2

Birds of Prey of the West Field Guide: Edition 2

Birds of Idaho Field Guide: Edition 2

Birds of Arizona Field Guide: Edition 2

Birds of Colorado Field Guide: Edition 2

Stan Tekiela’s Birding for Beginners: Rocky Mountains: Your Guide to Feeders, Food, and the Most Common Backyard Birds

Wildflowers of Michigan Field Guide: Edition 2

Wildflowers of Minnesota Field Guide: Edition 2

Wildflowers of Wisconsin Field Guide: Edition 2

Wildflowers of Ohio Field Guide: Edition 2

Birds of New Mexico Field Guide: Edition 2

Mammals of Colorado Field Guide: Edition 2