Trees: A Folding Pocket Guide to Familiar North American Plants (Nature Observation North America)

Animal Tracks: A Folding Pocket Guide to the Tracks & Signs of Familiar North American Species (Wildlife and Nature Identification)

Edible Wild Plants: A Folding Pocket Guide to Familiar North American Species (Outdoor Skills and Preparedness)

Mushrooms: A Folding Pocket Guide to Familiar North American Species (Wildlife and Nature Identification)

Medicinal Plants: A Folding Pocket Guide to Familiar Widespread Species (Outdoor Skills and Preparedness)

Foraging for Wild Edible Foods: A Folding Pocket Guide to Sustainable Practices & Harvesting Techniques (Outdoor Skills and Preparedness)

Geology: A Folding Pocket Guide to Familiar Rocks, Minerals, Gemstones & Fossils (Earth, Space and Culture)

Reptiles & Amphibians: A Folding Pocket Guide to Familiar North American Species (Wildlife and Nature Identification)

Bugs & Slugs: A Folding Pocket Guide to Familiar North American Invertebrates (Wildlife and Nature Identification)

Butterflies & Moths: A Folding Pocket Guide to Familiar North American Species (Wildlife and Nature Identification)

The Night Sky: A Folding Pocket Guide to the Moon, Stars, Planets and Celestial Events (Earth, Space and Culture)