Geoff Wisner is the author of A Basket of Leaves: 99 Books That Capture the Spirit of Africa and editor of African Lives: An Anthology of Memoirs and Autobiographies. His third book will be Thoreau’s Wildflowers (Yale University Press, 2016). His website is geoffwisner.com and he tweets at @geoffwisner, @africanlives, @thoreausflowers, @strongscivilwar, and @strongsnewyork.