Publisher
- HarperCollins e-books4
- DK Children3
- Ebury Digital2
- Quercus2
- Thomas Nelson2
- Andrews UK Limited1
- BBC Books1
- Chambers1
- Continuum1
- Faber1
- Faber & Faber1
- Fair Winds Press1
- Frances Lincoln Children's Books1
- HarperCollins Turnaround [distributor]1
- HarperCollinsPublishers1
- Headline1
- Ivy Press1
- Mainstream Digital1
- Penguin1
- Penguin Books1