Environmentalists & Naturalists

The Man Who Gave Away His Island

The Garden Underground

The Other “Hermit” of Thoreau’s Walden Pond

Water and Light

Adopting an Abandoned Farm

Scottish Reminiscences

On Grandfather's Farm

Humboldt

Jane Goodall: 50 Years at Gombe

Wildlife Wars

Of Man and Beast

A Mountain Boyhood

Our Farm of Four Acres and the Money we Made by it

Our Friend John Burroughs

“Great-Heart”

A Memoir of Thomas Bewick. Written by himself

Life of a Scotch Naturalist: Thomas Edward, Associate of the Linnean Society

William Hamilton Gibson: artist—naturalist—author

Letters of Alexander von Humboldt to Varnhagen von Ense

My Boyhood