Title: Birds of North America: A Guide To Field Identification, Author: Chandler S. Robbins
Title: Rocks, Gems and Minerals: A Fully Illustrated, Authoritative and Easy-to-Use Guide, Author: Paul R. Shaffer
Title: Birds: A Fully Illustrated, Authoritative and Easy-to-Use Guide, Author: Herbert S. Zim
Title: Reptiles and Amphibians: A Fully Illustrated, Authoritative and Easy-to-Use Guide, Author: Hobart M. Smith
Title: Stars: A Fully Illustrated, Authoritative and Easy-to-Use Guide, Author: Robert H. Baker
Title: Weather: A Fully Illustrated, Authoritative and Easy-to-Use Guide, Author: Paul E. Lehr
Title: Wildflowers: A Fully Illustrated, Authoritative and Easy-to-Use Guide, Author: Alexander C. Martin
Title: Insects: Revised and Updated, Author: Clarence Cottam
Title: Mammals: A Fully Illustrated, Authoritative and Easy-to-Use Guide, Author: Donald F. Hoffmeister
Title: Fishes: A Fully Illustrated, Authoritative and Easy-to-Use Guide, Author: Hurst H. Shoemaker
Title: Trees: Revised and Updated, Author: Alexander C. Martin
Title: Butterflies and Moths: A Fully Illustrated, Authoritative and Easy-to-Use Guide, Author: Robert T. Mitchell
Title: Seashore Life, Author: Lester Ingle
Title: Fossils: A Fully Illustrated, Authoritative and Easy-to-Use Guide, Author: Frank H. T. Rhodes