Nature

Letters from Australia

Ferns of Hawaii National Park

How to tell the Birds from the Flowers, and other Wood-cuts

Glacier National Park

The Web of Life

The life story of a squirrel

Getting Acquainted with the Trees

Alaska, Its Southern Coast and the Sitkan Archipelago

Old Fashioned Flowers, and other out-of-door studies

Woodland Gleanings: Being an Account of British Forest-Trees

The Wilderness Essays

Wild Apples

Tropic Days

Ducks and Geese

The Treasure of the Humble

Volcanoes: Past and Present

Ilex Cassine: The Aboriginal North American Tea

The Falls of Niagara and Other Famous Cataracts

Starved Rock

The Song of the Stone Wall