Fossils: A Guide to Prehistoric Life (Golden Field Guide Series)

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

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

Golden Guide 160 Pages Paperback Insects Book (A Golden Guide from St. Martin's Press)