The Archipelago of Dreams is no more...but the battle to save it has just begun in the penultimate book in the acclaimed Chronicles of the Imaginarium Geographica series.

The Caretakers are at war. The Archipelago of Dreams has fallen to the Echthroi, and the link to the Summer Country has been lost. The Keep of Time must be rebuilt, and the secret lies somewhere in Deep Time at the beginnings of the World, when the Summer Country and the Archipelago were one and the same. Fortunately, there is still hope: the Grail child, Rose Dyson, and the new Cartographer Edmund McGee have learned...