Books Mark Adams Books by Mark Adams Mark Adams has written books about: Travel Nonfiction Facebook Twitter Flipboard Email NPR stories about Mark Adams New In Paperback Innovation: 'Machu Picchu', Homesteading And 'Johnny Appleseed' May 23, 2012 This week, there's fresh fiction from Pulitzer finalist Denis Johnson, novelist Tom Perrotta and newspaperman Pete Hamill; plus, travel editor Mark Adams explores Machu Picchu; Melissa Coleman reminisces about growing up off the grid; and Howard Means looks at the life of Johnny Appleseed. Mark Adams Sarah Adams/Penguin hide caption toggle caption Sarah Adams/Penguin Author Interviews Retracing An Explorer's Footsteps to Machu Picchu July 24, 2011 The cloud city, high in the Andes mountains, was discovered by an American 100 years ago. On the occasion of this centennial, author Mark Adams looks at the history of the site, the path taken by the adventurer who found it, and the fight over the artifacts he took. Retracing An Explorer's Footsteps to Machu Picchu Listen · 6:36 6:36 Toggle more options Download Embed Embed <iframe src="https://www.npr.org/player/embed/138603939/138653350" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player"> Transcript Chris Silas Neal Critics' Lists: Summer 2011 Summer's Biggest, Juiciest Nonfiction Adventures July 6, 2011 Any one of these five sizzling new nonfiction books could be the next Hollywood blockbuster. Our advice? Read them all before the Hollywood execs do.