Francis, John.

Planetwalker / Planet walker. Subtitle on cover : 22 years of walking, 17 years of silence. text and illustrations by John Francis. - Washington, D.C. : National Geographic, 2008, c2005. - 288 p. : ill., map ; 24 cm.

"Originally published in 2005 by Elephant Mountain Press."--T.p. verso. "Visit www. planetwalker.org for more photographs and information about Dr. Francis and an on-line reading guide for Planetwalker."--Dust jacket, p. [3]

ISBN: 9781426202759 : $26.00 142620275X : $26.00 9781426204050

Subjects--Personal Names:
Francis, John.

Subjects--Topical Terms:
Environmental responsibility.
Walking--United States.
Silence.