Titles: D
- Dangerous Subjects: James D. Saules and the Rise of Black Exclusion in Oregon
- Davis Country: H. L. Davis's Northwest
- A Deadly Wind: The 1962 Columbus Day Storm
- A Deeper Sense of Place: Stories and Journeys of Collaboration in Indigenous Research
- Diary of a Citizen Scientist: Chasing Tiger Beetles and Other New Ways of Engaging the World
- Discovering Main Street: Travel Adventures in Small Towns of the Northwest
- Dispatches and Dictators: Ralph Barnes for the Herald Tribune
- Down in My Heart: Peace Witness in War Time
- Dragonflies and Damselflies of Oregon: A Field Guide
- Driftwood Valley: A Woman Naturalist in the Northern Wilderness