Books by Rick M. Harbo
Whelks to whales
Field Guide to Marine Life of
Field Guide to Marine Life of the Outer Coasts of the Salish Sea and Beyond
Field Guide to Marine Life of
Field Guide to Marine Life of the Protected Waters of the Salish Sea
Pacific reef and shore
Pacific reef and shore
Field Guide to Nudibranchs of
Field Guide to Nudibranchs of the Pacific Northwest
Field Guide to Seashells and Shellfish of the Pacific Northwest
Pacific Reef & Shore
Shells and Shellfish of the Pacific Northwest
Guide to the Western seashore
Tidepool & reef