James A. Owen continues to take readers on a journey through the fantastical world of beloved fantasy, where dragons are real, and dreams--and nightmares--come true. John and Jack, two of the Caretakers of the Imaginarium Geographica, have discovered a plea for help on an ancient medieval parchment--it is not only addressed to them, but seems to have been written by their friend, Hugo Dyson. Yet before they can discover the origin of the strange book,...