The Spell of the Open Air is a unique hand-book with Illustrations by Harry Rountree. Writers included in this anthology are by Robert Browning, Charles Dickens, W. Hazlitt, Christopher Marlowe, John Milton, H.D. Thoreau, Wm. Shakespeare, Walt Whitman, William Wordsworth. Each contributor's essay or poem discusses in some way the importance of the open air as an integral part of their lives.