Join KEVIN FEDARKO, New York Times best-selling author and 2017 National Geographic Explorer of the Year, as he speaks about his 800 mile mega-transect of the Grand Canyon, about his best-selling book The Emerald Mile, about the challenges currently facing the Grand Canyon and about the work of American Rivers to keep rivers free flowing. A book-signing will follow the presentation. HearthFireBooks is making a 10% donation to American Rivers for every copy of The Emerald Mile sold between now and Kevin's presentation.