publisher: Hachette Children's Books publish date: 2012
format: paperback pages: 376
language: English
ISBN:
1444910949 (9781444910940)
publisher: Hodder Children's Books publish date: October 4th 2012
format: kindle pages: 387
language: English
ISBN:
9781444910957
publisher: Aladdin publish date: December 2nd 2014
format: hardcover pages: 384
language: English
ISBN:
1442497157 (9781442497153)
ASIN: 1442497157