Naturalist Series

Amphibians & Reptiles of Minnesota, Wisconsin & Michigan (A Field Guide to All 77 Species & Subspecies)

Birds of the North Woods (Minnesota, Wisconsin & Michigan)

Butterflies of the North Woods, 2nd Edition

Damselflies of Minnesota, Wisconsin & Michigan

Dragonflies of the North Woods

Ferns & Allies of the North Woods (A Handy Field Reference to All 86 of Our Ferns and Allies)

Insects of New England & New York

Insects of the North Woods

Lichens of the North Woods

Mosses & Liverworts of the North Woods (A Handy Field Reference to 81 Species)

Moths & Caterpillars of Minnesota, Wisconsin & Michigan (A Handy Field Reference to 372 Species)

Orchids of New England & New York