(Hardback)

Marcus is an agent of the Library, a place filled with tales that don't have an ending. Puzzles that won't be solved until Marcus and his friends step in to finish them. Now, it's their own stories at stake in the third installment of this series by #1 "New York Times"-bestselling author MacHale.

(Paperback)

"Originally published in hardcover in the United States as Curse of the Boggin by Random House Children's Books, New York, in 2016."