Birds of the Rocky Mountains

by (author) Chris Fisher
illustrated by Gary Ross & Ted Nordhagen

Birds of Michigan

by (author) Ted Black & Gregory Kennedy
illustrated by Ted Nordhagen

Birds of Oregon

by (author) Roger Burrows & Jeff Gilligan
illustrated by Ted Nordhagen

Birds of Ontario

by (author) Andy Bezener
illustrated by Gary Ross & Ted Nordhagen

Quick Reference to Ontario Birds

by (author) Nicholle Carrière
illustrated by Gary Ross & Ted Nordhagen

Quick Reference to Saskatchewan And Manitoba Birds

by (author) Nicholle Carrière
illustrated by Ted Nordhagen & Gary Ross

Quick Reference to Mammals of Eastern Canada

by (author) Nicholle Carrière
illustrated by Gary Ross & Ted Nordhagen

Quick Reference to Alberta Birds

by (author) Nicholle Carrière
illustrated by Ted Nordhagen & Gary Ross

Quick Reference to British Columbia Birds

by (author) Nicholle Carrière
illustrated by Gary Ross & Ted Nordhagen

Quick Reference to Trees of Eastern Canada

by (author) Nicholle Carrière
illustrated by Ted Nordhagen & Gary Ross

Quick Reference to Trees of Western Canada

by (author) Nicholle Carrière
illustrated by Ted Nordhagen & Gary Ross

Quick Reference to Mammals of Western Canada

by (author) Nicholle Carrière
illustrated by Ted Nordhagen & Gary Ross

Quick Reference to Atlantic Canada Birds

by (author) Nicholle Carrière
illustrated by Gary Ross & Ted Nordhagen

Animal Tracks of Florida, Georgia and Alabama

by (author) Ian Sheldon
illustrated by Gary Ross & Ted Nordhagen

Animal Tracks of New York and Pennsylvania

by (author) Tamara Eder
illustrated by Gary Ross & Ted Nordhagen

Animal Tracks of Illinois

by (author) Tamara Eder
illustrated by Gary Ross & Ted Nordhagen

Birds of Coastal British Columbia

by (author) Nancy Baron & John Acorn
illustrated by Ted Nordhagen