Mark Sundeen is an American author and journalist known for his narrative nonfiction and his exploration of unconventional lifestyles and subcultures. Born in Harbor City, California, in 1970, Sundeen has written several books, including "Car Camping" (2000), "The Making of Toro" (2003), "The Man Who Quit Money" (2012), and "The Unsettlers: In Search of the Good Life in Today's America" (2017). His works often delve into the lives of individuals who have chosen to live outside the norms of mainstream society, examining themes such as simplicity, sustainability, and self-sufficiency. Sundeen's writing has appeared in various publications, including The New York Times Magazine, Outside, National Geographic Adventure, and McSweeney's. He has also taught writing at various institutions. Sundeen's storytelling combines immersive research with a thoughtful and reflective approach to the subjects he covers.