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by Christine Morton-shawHardcover details (USA). details (UK). details (Germany). details (Canada). ISBN: 978-0-06-072819-9 ISBN-10: 0-06-072819-1 HarperTeen · 2005 |
| See also: | ||
| 2010 | Paperback | The Riddles of Epsilon |
| 2005 | Hardcover | The Riddles of Epsilon |
| 2005 | Paperback | The Riddles of Epsilon |
| 2005 | Library Binding | The Riddles of Epsilon |