Ecosystems & Habitats

The Spell of the Rockies

The Clammer and the Submarine

The Confessions of a Beachcomber

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

In Northern Mists: The History of Arctic Exploration

Swell

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

Trail-Tales of Western Canada

In the Dwellings of the Wilderness

Forest Neighbors: Life Stories of Wild Animals

A Canyon Voyage

The Wolf Hunters: A Tale of Adventure in the Wilderness

The Romance of the Woods

Glaucus; Or, The Wonders of the Shore

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

On Cambrian and Cumbrian Hills: Pilgrimages to Snowdon and Scafell

Echoes of Destruction

A Leaf from the Old Forest

Another Summer: The Yellowstone Park and Alaska

The Life of the Moselle