Colorado Trees & Wildflowers: A Folding Pocket Guide to Familiar Plants (Wildlife and Nature Identification)

Colorado Birds: A Folding Pocket Guide to Familiar Species (Wildlife and Nature Identification)

Colorado Wildlife: A Folding Pocket Guide to Familiar Animals (Wildlife and Nature Identification)

Animal Tracks: A Folding Pocket Guide to the Tracks & Signs of Familiar North American Species (Wildlife and Nature Identification)

Colorado Butterflies & Moths: A Folding Pocket Guide to Familiar Species (Wildlife and Nature Identification)

Wildflowers of Colorado Field Guide (Wildflower Identification Guides)

Trees of Colorado Field Guide (Tree Identification Guides)

Birds of Colorado Field Guide

Colorado Nature Set: Field Guides to Wildlife, Birds, Trees & Wildflowers of Colorado

Edible Survival Plants of the Rocky Mountains: A Folding Pocket Guide to Familiar Species (Outdoor Skills and Preparedness)