All five books in the Trials of Apollo series - in a hardcover boxed set of heroic proportions. From The Hidden Oracle to the long awaited The Tower of Nero, this collection will thrill loyal readers and be a go-to gift for new fans of the bestselling series. With five books in one package, no one will miss a minute of the excitement. | Trials of Apollo The 5Book Hardcover Boxed Set by Rick Riordan, Boxed Set/Slip Case/Casebound | Indigo Chapters