Publisher
- Ebury Digital4
- Fair Winds Press4
- Springer4
- Routledge3
- Alpha Books2
- Bloomsbury2
- Harper Wave, an imprint of HarperCollins Publishers2
- HarperCollins e-books2
- HarperWave2
- Headline2
- Michael Joseph2
- Penguin2
- Piatkus2
- Robinson2
- Virgin Digital2
- Affirm Press1
- Alpha, a member of the Penguin Group (USA) Inc1
- AuthorHouse UK1
- Cambridge Scholars Publishing1
- Cornerstone Digital1