Flower Finder: A Guide to the Identification of Spring Wild Flowers and Flower Families East of the Rockies and North of the Smokies, Exclusive of Trees and Shrubs (Nature Study Guides)

Tree Finder: A Manual for Identification of Trees by their Leaves (Eastern US) (Nature Study Guides)

Winter Tree Finder: A Manual for Identifying Deciduous Trees in Winter (Eastern US) (Nature Study Guides)

Fern Finder: A Guide to Native Ferns of Central and Northeastern United States and Eastern Canada (Nature Study Guides)

Track Finder: A Guide to Mammal Tracks of Eastern North America (Nature Study Guides)

Winter Weed Finder: A Guide to Dry Plants in Winter (Nature Study Guides)

Berry Finder: A guide to native plants with fleshy fruits

Constellation Finder: A guide to patterns in the night sky with star stories from around the world

Tree Identification Book : A New Method for the Practical Identification and Recognition of Trees

The Shrub Identification Book: The Visual Method for the Practical Identification of Shrubs, Including Woody Vines and Ground Covers

Bird Finder: A Guide to the Common Birds of Eastern North America (Nature Study Guides)