Ecosystems & Habitats

The Subterranean World

The Worst Journey in the World

The Ascent of Denali (Mount McKinley)

Cat o' mountain

A Week on the Concord and Merrimack Rivers

Adventures in Alaska

Round About the North Pole

Lister's Great Adventure

Through Glacier Park: Seeing America First with Howard Eaton

Jelly-Fish, Star-Fish, and Sea-Urchins: Being a Research on Primitive Nervous Systems

Camp and Trail

California Romantic and Resourceful

In the Wilderness

Forest Trees and Forest Scenery

The Wolf Hunters: A Tale of Adventure in the Wilderness

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

The Book of the Ocean

Mountainish

Guide to the study of animal ecology

Lake Ngami