Twelve-year-old Robin's ordinary life with his mother on the Lost Isle changes dramatically when Quadehar the sorcerer discovers that Robin has rare magical potential. Robin Penmarch enjoys ordinary life in a lost isle between the real world and an uncertain place of strange creatures and fantastical lands. But the dark forces of The Uncertain World are rising, and as apprentice to Quadehar the Sorcerer, Robin discovers the truth about himself.