A Look at Indie Authors and Their Publishers By Lanie Tankard, Indie Book Reviews Editor Book: Sunvault: Stories of Solarpunk and Eco-Speculation Nashville, TN: Upper Rubber Boot Books. August 29, 2017. 253 pp., $13.99 paperback (ISBN: 9781937794750), $6.99 e-book (ISBN: 9781937794767). Editors: Phoebe Wagner and Brontë Christopher Wieland The editors of Sunvault are both graduate students in Iowa…