DAVID WOLMAN is a Contributing Editor at Outside. He has written for Wired, the New York Times, The New Yorker, Nature, and many other publications, and his work has been anthologized in the Best American Science and Nature Writing series. He is the author of The End of Money, Righting the Mother Tongue, and A Left-Hand Turn Around the World. David lives in Portland, Oregon, with his family.

Julian Smith

JULIAN SMITH received a Banff Mountain Book Award and a Lowell Thomas Travel Journalism Award for Crossing the Heart of Africa: An Odyssey of Love and Adventure. The coauthor of Smokejumper: A Memoir by One of America's Most Select Airborne Firefighters, he has written for Smithsonian, National Geographic Traveler, Wired, Outside, and the Washington Post, among other publications. Julian lives in Portland, Oregon.