A Naturalist's Guide to Canyon Country

2000

Cairns

Messengers in Stone

2012

Homewaters

A Human and Natural History of Puget Sound

2021

Seattle Walks

Discovering History and Nature in the City

2017

Spirit Whales and Sloth Tales

Fossils of Washington State

2023

Stories in Stone

Travels Through Urban Geology

2009

The Seattle Street-Smart Naturalist

Field Notes from the City

2005

Too High and Too Steep

Reshaping Seattle's Topography

2015

Waterway

The Story of Seattle's Locks and Ship Canal

2017

Wild in Seattle

Stories at the Crossroads of People and Nature

2025