Scats and Tracks of the Rocky Mountains: A Field Guide to the Signs of 70 Wildlife Species (Paperback, 3)

Scats and Tracks of Alaska Including the Yukon and British Columbia: A Field Guide to the Signs of Sixty-Nine Wildlife Species (Paperback, 2)

Scats and Tracks of the Pacific Coast (Paperback, 2)

Scats and Tracks of the Northeast (Paperback, 2)

Scats and Tracks of the Desert Southwest: A Field Guide to the Signs of 70 Wildlife Species, Second Edition (Paperback, 2)

Scats and Tracks of the Great Lakes (Paperback, 2)