Publisher
- Severn House5
- Race Point Publishing3
- Bloomsbury2
- Mills & Boon2
- Nexus2
- Preface2
- Thomas Nelson2
- A. & C. Black1
- Amistad, an imprint of HarperCollinsPublishers1
- Andrews UK1
- Black Swan1
- Bloomsbury Education1
- Cambridge Scholars Publishing1
- Continuum Cassell1
- DK Pub1
- Doubleday Canada1
- Harper1
- Harper Voyager1
- Harper Voyager, an imprint of HarperCollinsPublishers1
- HarperCollins1