Animal Skulls

A Guide to North American Species

2006

Bird Tracks & Sign

A Guide to North American Species

2001

Field Guide to Animal Tracks and Scat of California (Volume 104)

2012

Mammal Tracks & Sign

A Guide to North American Species

2003

Peterson Reference Guide To The Behavior Of North American Mammals

2011

Practical Tracking

A Guide to Following Footprints and Finding Animals

2010

The Cougar Conundrum

Sharing the World with a Successful Predator

2020

Wilderness Survival

2006