James Halfpenny

Scats and tracks of the Mid-Atlantic

Tracks, Scats and Signs of Central and Northern California

Southeast

Scats and Tracks of the Great Plains

Scats and Tracks of the Great Lakes

Scats and Tracks of the Midwest

Scats and Tracks of the Desert Southwest (Scats and Tracks Series)

Scats and Tracks of Alaska Including the Yukon and British Columbia

Scats and Tracks of the Pacific Coast States

Scats and Tracks of North America

Scats and Tracks of the Northeast

Desert Southwest

Discovering Yellowstone Wolves

Badgers of Lamar Valley

Cougar Ecology and Verification

Snow Tracking Rare Species : (professional Level)

Track Plates for Mammals

Rare Mammal Moments of the Greater Yellowstone Ecosystem

Scats and Tracks of the Southeast

Scats and Tracks of the Pacific Coast

Scats and Tracks of the Desert Southwest