Planetwalker
By: text and illustrations by John Francis.
Publisher: National Geographic
Published: 2008
Place of publication: Washington, D.C
Language: eng
Number of pages: 288
ISBN-13: 9781426202759
Copyright date: 2005
Subjects: Francis, John; Environmental responsibility; Walking -- United States; Silence
Other titles: Planet walker; 22 years of walking, 17 years of silence
Notes: "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]