Welcome to SPRUNG, the Society for the Pursuit of the Reputedly Undead, Namely Ghosts! Agamemnon White--SPRUNG Ghostkeeper and child prodigy--has gone missing. Your task? To join SPRUNG, read Ag’s journal, and use the powerful AR app to rescue him. But beware: the moment you open this book, you’ll release . . . GHOSTS! AR effects include on- and off-page animations of text, illustrations, and characters, leading you through a gripping story.