Rocks, Gems and Minerals: A Fully Illustrated, Authoritative and Easy-to-Use Guide (A Golden Guide from St. Martin's Press)

Geology: A Fully Illustrated, Authoritative and Easy-to-Use Guide (A Golden Guide from St. Martin's Press)

Rocks and Minerals: A Guide to Field Identification (Golden Field Guide f/St. Martin's Press)

Trees (A Golden Guide from St. Martin's Press)

Fossils: A Fully Illustrated, Authoritative and Easy-to-Use Guide (A Golden Guide from St. Martin's Press)

Rock & Mineral Collecting: A Beginners Guide to Finding, Valuing and Profiting from Rocks and Minerals (Collector Series): Rocks and Minerals For Kids! (The Collector Series Book 4)

Weather: A Fully Illustrated, Authoritative and Easy-to-Use Guide (A Golden Guide from St. Martin's Press)

Wildflowers: A Fully Illustrated, Authoritative and Easy-to-Use Guide (A Golden Guide from St. Martin's Press)

Butterflies and Moths: A Fully Illustrated, Authoritative and Easy-to-Use Guide (A Golden Guide from St. Martin's Press)

Collecting Rocks, Gems and Minerals: Identification, Values and Lapidary Uses

Insects (A Golden Guide from St. Martin's Press)