In the enchanted Library of Illumination-where books literally come to life-curator Johanna Charette and her assistant Jackson Roth discover a window to "nowhere." Jackson is convinced some sort of treasure is hidden behind it. Instead, the teens stumble upon a portal that whisks them to a library, similar to their own, yet very different. Their impromptu breach of the ancient portal system sets a series of events in motion that take the teens to distant realms, and they learn a wealth of information about the history of the Libraries of Illumination. However, Jackson's natural curiosity...