Crystal Keepers (Five Kingdoms)
| Country | USA |
| Author | Brandon Mull |
| Binding | Audio CD |
| EAN | 9781442393776 |
| Edition | Unabridged |
| ISBN | 1442393777 |
| Label | Simon & Schuster Audio |
| Manufacturer | Simon & Schuster Audio |
| NumberOfItems | 11 |
| PublicationDate | 2016-03-15 |
| Publisher | Simon & Schuster Audio |
| ReleaseDate | 2016-03-15 |
| Studio | Simon & Schuster Audio |