The Gates of Sleep (Elemental Masters, Book 2)
| Country | USA |
| Brand | Art Advantage |
| Manufacturer | Vista Partners Inc. |
| Binding | Kitchen |
| ItemPartNumber | ART6950-24 |
| Model | ART6950-24 |
| Color | Metal |
| UnitCount | 1 |
| UPCs | 661670891833 |
| EANs | 0661670891833 |
| ReleaseDate | 0000-00-00 |