Environmental Protection

Literary Pilgrimages of a Naturalist

The Grail Bird

My First Summer in the Sierra (With Original Drawings & Photographs)

Morag the Seal

Pearls and Pebbles; or, Notes of an Old Naturalist

The Spell of the Rockies

In Beaver World

My First Summer in the Sierra (With Original Drawings & Photographs)

The Nakimu Caves, Glacier Dominion Park

British Bees An Introduction into the Studies of the Natural History and Economy of the Bees Indigenous to the British Isles

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