Oregon & Washington’s Roadside Ecology
Timber Press, 2021
Hiking Washington Waterfalls
Falcon Guides, 2019 (2nd edition)
Hiking Southern California
Falcon Guides, 2019
EarthTalk: Expert Answers to Everyday Questions About the Environment
Plume, 2009
Coming soon (2023)…
Yellowstone & Grand Tetons Roadside Ecology