Gregor the Overlander Collection: Books 1-5 (The Underland Chronicles)
| Country | USA |
| Brand | University of Chicago Press |
| Manufacturer | University of Chicago Press |
| Binding | Hardcover |
| ItemPartNumber | 13 colour plates, 4 maps |
| UnitCount | 1 |
| EANs | 9780226644295 |
| ReleaseDate | 0000-00-00 |