KATE SIBER is a freelance journalist and a correspondent for Outside magazine. Her work has appeared in National Geographic Traveler, National Parks, 5280, the Boston Globe, the New York Times, and the Washington Post, among many other newspapers and magazines, and has been honored with several Lowell Thomas awards, including Travel Journalist of the Year. Her children s book, National Parks of the U.S.A., a large-format, illustrated tour of the country s great parks for kids ages 6 to 9, was published in 2018. ANDREW SKURKA (foreword) is an accomplished adventure athlete, speaker, guide, and writer. He was named Adventurer of the Year by Outside and National Geographic magazines, and Person of the Year by Backpacker. He is the author of The Ultimate Hiker s Gear Guide, now in its second edition. Skurka is most well-known for his solo long-distance hiking trips. When not living out of his backpack, he resides in Boulder, Colorado.