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by Suzanne CollinsPaperback details (United Kingdom). details (United States). details (Germany). details (Canada). ISBN: 978-1-4071-2113-0 ISBN-10: 1-4071-2113-8 Scholastic · 2010 |
| See also: | ||
| 2013 | Paperback | Gregor the Overlander |
| 2005 | Audio CD | Gregor The Overlander (Underland Chronicles) |
| 2005 | Mass Market Paperback | Gregor the Overlander (Underland Chronicles) |
| 2004 | Library Binding | Gregor The Overlander (Turtleback School & Library Binding Edition) (Underland Chronicles) |
| 2004 | Library Binding | Gregor the Overlander (Underland Chronicles) |
| 2003 | Hardcover | Gregor The Overlander (Underland Chronicles) |
| 2003 | Paperback | Gregor The Overlander |