Publisher
- John Murray14
- Harper Perennial5
- HarperCollins e-books4
- Faber and Faber3
- Icon Books3
- Boxtree2
- CRC Press2
- Hachette Books Ireland2
- Hachette Digital2
- Icon Books Ltd2
- ABC Books1
- Alpha1
- Arrow/Guardian Books1
- Atlantic Books1
- BBC Digital1
- Bernan Press1
- Bloomsbury Sigma1
- Broadway Paperbacks1
- Cambridge Scholars Publishing1
- Cassell1