Ecology

Mearing Stones: Leaves from My Note-Book on Tramp in Donegal

Ferdinand Vandiveer Hayden and the Founding of the Yellowstone National Park

How to Keep Bees

Hamewith

Grand Teton [Wyoming] National Park

A Voyage of Discovery to the Southern Hemisphere

Our Common Land (and Other Short Essays)

Hours of Exercise in the Alps

Canyons of the Colorado

HENRY DAVID THOREAU – Ultimate Collection: 6 Books, 26 Essays & 60+ Poems, Including Translations. Biographies & Letters (Illustrated)

Summer Birds From the Yucatan Peninsula, Mexico

The Honey-Bee

An Expedition to Explore the Interior of Western Australia

The Life Story of an Otter

Afoot in England

The Encantadas