Synopsis: Newbery Honor BookNew York Times BestsellerChildren’s Literature Legacy Award WinnerThis impassioned, uplifting, and virtuosic tour de force from a treasured storyteller follows three children, in three different times and places, whose lives mysteriously intersect.Lost and alone in a forbidden forest, Otto meets three mysterious sisters and suddenly finds himself entwined in a puzzling quest involving a prophecy, a promise, and a harmonica.…