Harboring secret preoccupations with a magical land he read about in a childhood fantasy series, Quentin Coldwater is unexpectedly admitted into an exclusive college of magic and rigorously educated in modern sorcery.
After Quentin and his old friend Julia leave Fillory on a magical sailing ship, they end up back in Quentin's home in Chesterton, Massachusetts, and only Julia's dark magic can get them back to the realm they have grown to love.