Rick Riordan has now sold an incredible 55 million copies of his books worldwide
| ISBN: | 9780141344379 |
| Publication date: | 6th September 2012 |
| Author: | Rick Riordan |
| Publisher: | Puffin an imprint of Penguin Random House Children's UK |
| Format: | Hardback |
| Pagination: | 242 pages |
| Series: | Heroes of Olympus |
| Genres: |
Children's and Young Adult Fiction Adventure Stories Fantasy / Magical |