Philip D’Anieri is the author of “The Appalachian Trail: A Biography,” published in 2021 by Houghton Mifflin Harcourt. VEDP President Jason El Koubi spoke with D’Anieri about the history of the Appalachian Trail inside and outside of Virginia, why he chose to cover the trail’s history through a human lens, and the inseparability of his field, urban planning, from the natural environment.