The indigo king / Owen, James A

When, in 1931, there is a breach between the normal world and the Archipelago of Dreams, John and Jack, two of the Caretakers of the Imaginarium Geographica, must race through history, using a time travel device left by Jules Verne, and discover the identity of the Cartographer.

A breach between the normal world and the Archipelago of Dreams in 1931, sends John and Jack, two of the Caretakers of the Imaginarium Geographica, on a race through history, using a time travel device left by Jules Verne, to discover the identity of the Cartographer, the only thing that can restore both worlds.