Death in Rocky Mountain National Park (Death in the Parks)

Wild Light: A Celebration of Rocky Mountain National Park

Mount Baker and Boulder River Wilderness Areas Map [Mt. Baker-Snoqualmie National Forest] (National Geographic Trails Illustrated Map, 826)

Moon Rocky Mountain National Park: Hiking, Camping, Wildlife-Watching (Moon National Parks Travel Guide)

Aspen, Independence Pass Map (National Geographic Trails Illustrated Map, 127)

Moon Colorado Hiking: Best Hikes Plus Beer, Bites, and Campgrounds Nearby (Travel Guide)

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

Best Hikes Rocky Mountain National Park: A Guide to the Park's Greatest Hiking Adventures (Regional Hiking Series)

Moon Colorado: Scenic Drives, National Parks, Hiking & Skiing (Moon U.S. Travel Guide)

The Kids' Guide to Birds of Colorado: Fun Facts, Activities and 87 Cool Birds (Birding Children's Books)