- Senca volka (2017)
- Senca jaguarja (2018)
- Senca medveda (2019)
- Senca lisice (2021)
- Senca Grifina (2023)
Neleposlovje:
- The Making of a Ranger:A Memoir of a National Park Ranger (1995)
- The Ranger Within:Exploring the National Park System with America's Best-Known Ranger (1998)
- Ranger's Guide to the National Parks:The Official Guide to America's 59 National Parks (2004)
- The Great Smoky Mountains:A Natural History Guide (2007)
- The Yellowstone Reader (2011)
- Veliki kanjon:Prirodoslovni vodnik (2014)
- Yosemite National Park:A Natural History Guide (2017)