This exciting companion to His Dark Materials tells a not-to-be-missed story about Lyra and her world. When a witch's daemon crashes onto the roof of Jordan College, Lyra and her daemon, Pan, are eager to help. But as this unlikely trio scours the winding streets of Oxford in search of a famed alchemist, their journey takes a deadly turn... This volume also includes a fold-out map of Oxford and fascinating extra glimpses of our favorite characters.