Environmental Protection

Pere Marquette State Park

The Sustainable Living Guide

Jane Goodall: 50 Years at Gombe

A Rough Ride to the Future

The Arctic Prairies : a Canoe-Journey of 2,000 Miles in Search of the Caribou

The Freewood Years

Secret Places Of West Cork Coast

A Book of Dartmoor: Historical Novel

Wake-Robin

The Land's End: A Naturalist's Impressions In West Cornwall, Illustrated

American Big-Game Hunting: The Book of the Boone and Crockett Club

Wayside and Woodland Trees: A pocket guide to the British sylva

Forest Neighbors: Life Stories of Wild Animals

A Florida Sketch-Book

Whitefoot the Wood Mouse

Essays of a Biologist

The Extermination of the American Bison

Moths of the Limberlost: A Book About Limberlost Cabin

Notes of a naturalist in South America

The Flower-Fields of Alpine Switzerland: An Appreciation and a Plea