Under the Smokestrewn Sky

Under the Smokestrewn Sky is the series finale of the 4-book Up-and-Under series, written by bestselling author Seanan McGuire under the open pseudonym A. Deborah Baker. Since stumbling from their world into the Up and Under, Avery and Zib have walked the improbable road across forests, seas and skies, finding friends in the unlikeliest of places and enemies great in number, as they make their way toward the Impossible City in the hope of finding their way home. But the final part of their journ