A National Book Award Longlist title! "A wondrous book, wise and wild and deeply true." —Kelly Barnhill, Newbery Medal-winning author of The Girl Who Drank the Moon"This is one of those books that haunts you long after you read it. Thought-provoking and magical." —Rick Riordan, author of the Percy Jackson seriesIn the tradition of modern-day classics like Sara Pennypacker's Pax and Lois Lowry's The Giver comes a deep, compelling, heartbreaking, and completely one-of-a-kind no