Title: Animal Tracks of New York and Pennsylvania, Author: Tamara Eder
Title: Animal Tracks of Ohio, Author: Tamara Eder
Title: Animal Tracks of Mississippi and Louisiana, Author: Tamara Eder
Title: Animal Tracks of Nevada and the Great Basin, Author: Tamara Eder
Title: Animal Tracks of the Appalachians, Author: Tamara Eder
Title: Animal Tracks of Illinois, Author: Tamara Eder
Title: Animal Tracks of Indiana, Author: Tamara Eder
Title: Animal Tracks of New Jersey, Author: Tamara Eder
Title: Whales and Other Marine Mammals of the East Coast, Author: Tamara Eder
Title: Animal Tracks of Quebec, Author: Ian Sheldon
Title: Animal Tracks of Kentucky and Tennessee, Author: Tamara Eder
Title: Whales and Other Marine Mammals of Atlantic Canada, Author: Tamara Eder