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

Freshwater Fishes: A Folding Pocket Guide to Familiar North American Species (Nature Observation North America)

Birds of Europe: Third Edition (Princeton Field Guides)

National Audubon Society Field Guide to Insects and Spiders: North America (National Audubon Society Field Guides)

Peterson Field Guide To Western Reptiles & Amphibians, Fourth Edition (Peterson Field Guides)

The Safari Companion: A Guide to Watching African Mammals

Bugs & Slugs, 2nd Ed: A Folding Pocket Guide to Familiar North American Invertebrates (Nature Observation North America)

National Geographic Pocket Guide to the Night Sky of North America

The Princeton Field Guide to Dinosaurs Third Edition (Princeton Field Guides)

National Audubon Society Mushrooms of North America (National Audubon Society Complete Guides)