Ecology

Shelter Building Basics

The Mountains of California (With Original Drawings & Photographs)

A Thousand-Mile Walk to the Gulf (With Original Drawings & Photographs)

The Art of Migration

Fresh Fields

The Double Garden

More Hunting Wasps

The Amateur Poacher

Sanctuary: A Bird Masque

Wild Life at the Land's End

Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)

Popular Books on Natural Science

Evolution and Classification of the Pocket Gophers of the Subfamily Geomyinae

The Open Window: Tales of the Months

The Life of the Bee

Geographic Variation in the Pocket Gopher, Thomomys bottae, in Colorado

Fungi: Their Nature and Uses

Terrain Exercises

The Honey-Bee

The Life Story of an Otter