Mark Sundeen is the author of The Unsettlers and The Man Who Quit Money, both published by Riverhead/Penguin. His nonfiction has appeared in the New York Times Magazine, Outside, National Geographic Adventure, the Believer, and elsewhere. His previous books are Car Camping (HarperCollins, 2000), The Making of Toro (Simon & Schuster, 2003), and North By Northwestern (St. Martin's, 2010, co-written with Sig Hansen), which was a New York Times and Wall Street Journal bestseller. He has taught fiction and nonfiction at the MFA creative writing programs at the University of New Mexico and Southern New Hampshire University, as well as the Taos Summer Writers' Conference. He lives in Montana and Utah. Learn more at www.marksundeen.com and www.quitmoney.net.