Title: Animal Tracks of the Great Lakes, Author: Ian Sheldon
Title: Animal Tracks of Indiana, Author: Tamara Eder
Title: Animal Tracks of New York and Pennsylvania, Author: Tamara Eder
Title: Animal Tracks of the Rockies, Author: Ian Sheldon
Title: Animal Tracks of Ohio, Author: Tamara Eder
Title: Animal Tracks of Illinois, Author: Tamara Eder
Title: Animal Tracks of the Appalachians (Animal Tracks Guides), Author: Tamara Eder
Title: Animal Tracks of Nevada & The Great Basin (Animal Tracks Series), Author: Tamara Eder
Title: Animal Tracks of Quebec, Author: Ian Sheldon
Title: Animal Tracks of Arizona and New Mexico (Animal Tracks Guides Series), Author: Ian Sheldon
Title: Animal Tracks of Northern California (Animal Tracks Guides Series), Author: Ian Sheldon