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Paperback details (United Kingdom). details (Germany). details (France). details (Italy).
ISBN: 978-1-4231-7514-8 ISBN-10: 1-4231-7514-X |
| See also (possibly by other authors): | ||
| 2011 | Hardcover | The Son of Neptune (Heroes of Olympus, Book 2) |
| 2011 | Audio CD | The Son of Neptune (Heroes of Olympus, Book 2) |
| Paperback | The Son of Neptune (The Heroes of Olympus, #2) | |