The Gatekeeper (The Keepers: L.A. Book 1)
| Country | USA |
| Brand | Wiley-Interscience |
| Manufacturer | Wiley-Blackwell |
| Binding | Paperback |
| ItemPartNumber | black & white illustrations |
| Model | black & white illustrations |
| ReleaseDate | 2004-12-17 |
| UnitCount | 1 |
| Format | Illustrated |
| EANs | 9781405114486 |