ALERT: We are aware that our customers received an email saying "Thank you for purchasing The Shadow Course." This was an internal mistake. No credit cards were accessed or charged. We sincerely apologize and are answering calls, chats and emails as quickly as possible.

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Mark Fenton

Mark Fenton

Mark Fenton is the internationally recognized host of PBS's America's Walking. A former U.S. national racewalking champion and editor-at-large of Walking magazine, he is the author of The Complete Guide to Walking for Health, Weight Loss, and Fitness (Lyons Press, 2001).