| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| October 2000 |
|
Castle in the Air | Collins | Novel | |
| October 2000 |
|
Castle in the Air | Collins | Novel | |
| 2005 |
|
Castle in the Air | HarperCollins Children's Books | Novel | |
| March 2009 |
|
Castle in the Air | HarperCollins Children's Books | Novel |