The first book in this adventure saga introduces us to Robin, a boy who lives on the Lost Isle, a fantastical realm between the Real World and the Uncertain World where evil resides. One night, Robin's potential for magic is revealed in the presence of Quadehar the Sorcerer. Robin becomes the sorcerer's apprenctice and studies the magical secrets of the craft. His talents are put to the test when he and his friends must cross into the Uncertain World to save a classmate who's been kidnapped by monsters. Will Robin's newfound knowledge help them prevail?