Field Guide to the Cascades & Olympics

Pacific Northwest Foraging: 120 Wild and Flavorful Edibles from Alaska Blueberries to Wild Hazelnuts (Regional Foraging Series)

National Audubon Society Field Guide to the Pacific Northwest

Plants of the Pacific Northwest Coast

Day Hiking Olympic Peninsula, 2nd Edition: National Park / Coastal Beaches / Southwest Washington

Natural History of the Pacific Northwest Mountains (A Timber Press Field Guide)

Curious Kids Nature Guide: Explore the Amazing Outdoors of the Pacific Northwest

Mushrooms of the Pacific Northwest (A Timber Press Field Guide)

Cascade-Olympic Natural History : A Trailside Reference

Birds of the Pacific Northwest (A Timber Press Field Guide)

Trees and Shrubs of the Pacific Northwest (A Timber Press Field Guide)