| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| April 2003 |
|
The Merlin Conspiracy | Greenwillow Books / HarperCollins | Novel | |
| April 2003 |
|
The Merlin Conspiracy | Greenwillow Books / HarperCollins | Novel | |
| May 2004 |
|
The Merlin Conspiracy | Greenwillow Books / HarperTrophy | Novel | |
| May 2008 |
|
The Merlin Conspiracy | Paw Prints | Novel | |
| September 2012 |
|
The Merlin Conspiracy | Greenwillow Books / HarperCollins | Novel |