The New Birder's Guide to Birds of North America
Thompson III, Bill
Kaufman Field Guide to Mammals of North America
Bowers, Nora; Bowers, Rick; Kaufman, Kenn
Trees of Western North America
Spellenberg,Richard; Christopher J. Earle & Gil Nelson, Edited by Amy K. Hughes
Illustrations by David More
Bumble Bees of North America: An Identification Guide
Paul H. Williams, Robbin W. Thorp, Leif L. Richardson & Sheila R. Colla
Trees of Eastern North America
Gil Nelson, Christopher J. Earle & Richard Spellenberg, Edited by Amy K. Hughes
The Sibley Guide to Birds, Second edition [Corrected Printing]
Sibley, David Allen
National Geographic Pocket Guide to the Birds of North America
Erickson, Laura; Alderfer, Jonathan
Golden Guide: Birds of North America: A Guide to Field Identification. Revised and Updated
Robbins, Chandler S.; Coe, James; Bruun, Bertel; Zim, Herbert S.; Latimer, Jonathan P.; Nolting, Karen Stray
Dragonflies through Binoculars: A Field Guide to Dragonflies of North America.
Dunkle, Sidney W.
A Field Guide to the Birds' Nests: United States East of the Mississippi River
Harrison, Hal H.
Peterson Field Guides: Hawks of North America [FLX]
Clark, William S.; Wheeler, Brian K.
A Field Guide to Warblers of North America
Dunn, Jon L.; Garrett, Kimball