| Contact |
| UK Packagers |
| Working Partners Ltd |
| www.workingpartnersltd.co.uk |
|
| UK Publishers |
| HarperCollinsUK |
| www.harpercollinschildrensbooks.co.uk |
| US Publishers |
| HarperCollinsUS |
| www.harpercollinschildrens.com |
| Razorbill Penguin US |
| http://us.penguingroup.com |
| The Official Warriors Site |
| http://www.warriorcats.com |
|