National Audubon Society first field guide
Brian Cassie
Provides information about mollusks and their shells and how to identify them, along with detailed descriptions and photographs of fifty common North American shells.

by Jonathan P. Latimer, Karen Stray Nolting (2000)
Describes the physical characteristics, habitats, feeding habits, and voices of a variety of songbirds, arranged under the categories "Simple Songs," "Complex Songs," "Whistling Songs," "Warbling Songs," "Trilling Songs," "Name-sayers," and "Mimics."
Brian Cassie
Provides information about mollusks and their shells and how to identify them, along with detailed descriptions and photographs of fifty common North American shells.
written and photographed by Elinor Osborn
Describes the life of large trumpeter swans, how they nearly became extinct, and efforts to reintroduce them to the Northeastern United States and to help them relearn migration routes.
Eric Fein
"In cartoon format, explains the history, role, and responsibilities of Congress in United States government"--Provided by publisher.
Barbara Gaines Winkelman
Describes a day in the life of a bulls-eye puffer fish, including the surprising defenses he uses to escape his enemies.