For fans of Wrinkle in Time and The School of Good and Evil, the New York Times bestseller The Mark of the Dragonfly is a fast-paced adventure story about a mysterious girl and a fearless boy, set in a magical world that is both exciting and dangerous. Piper has never seen the Mark of the Dragonfly until she finds the girl amid the wreckage of a caravan in the Meteor Fields. The girl doesn't remember a thing about her life, but the intricate tattoo...