14 books • 2 series
Scats and Tracks of the Desert Southwest (Scats and Tracks)
Scats and Tracks of the Great Lakes (Scats and Tracks)
Scats and Tracks of the Pacific Coast (Scats and Tracks)
Scats and Tracks of North America (Scats and Tracks)
Scats and Tracks of Alaska Including the Yukon and British Columbia (Scats and Tracks)
Scats and Tracks of the Great Plains (Scats and Tracks)
Scats and Tracks of the Mid-Atlantic (Scats and Tracks)
Scats and Tracks of the Midwest (Scats and Tracks)
Winter
Scats and Tracks of the Southeast (Scats and Tracks)
Scats and Tracks of the Northeast (Scats and Tracks)
Scats and Tracks of the Rocky Mountains (Scats and Tracks)
Discovering Yellowstone Wolves
A Field Guide to Mammal Tracking in North America