Pacific Coast Mammal Finder Identifying Mammals by Their Tracks, Skulls, and Other Signs Russo Ron Heftet / 2024 / Engelsk
Pacific Intertidal Life Identifying Marine Life of the Pacific Coast, Including Rocky Reefs and Tidepools Russo Ron Heftet / 2025 / Engelsk
Pacific Intertidal Life A Guide to Organisms of Rocky Reefs and Tide Pools of the Pacific Coast Russo Ron Heftet / 2016 / Engelsk
Rocky Mountain Mammal Finder Identifying Mammals by Their Tracks, Skulls, and Other Signs Russo Ron Heftet / 2024 / Engelsk
Pacific Coast Fish Finder Identifying Marine Fish of the Pacific Coast Russo Ron Heftet / 2024 / Engelsk