| GMD | Text |
| Classification | 813.6 RIO |
| Publisher | New York, Miramax Books, Hyperion Paperbacks for Children, c2007. |
| Subject | Boarding school -- Juvenile fiction.Fantasy -- Juvenile fiction.Fantasy fiction -- |
| Description | 312 p : 19 cm. |
| ISBN | 9781423101482 |
| Additional ISBN | 1423101480 / 9780606021500 / 0606021507 / 1003875559 |