- The Sierra Club Guides to the National Parks of the Pacific Northwest and Alaska (Sierra Club Guides to the National Parks)
- Dialogue on Consciousness: Minds, Brains, and Zombies
- Sierra Club Guide to the Natural Areas of Colorado and Utah (Sierra Club Totebook)
- Developing Mental Toughness: Strategies to Improve Performance, Resilience and Wellbeing in Individuals and Organizations
- Developing Mental Toughness: Strategies to Improve Performance, Resilience and Wellbeing in Individuals and Organizations