Publisher
- Mainstream Digital6
- Ebury Digital3
- Transworld Digital3
- Birlinn2
- I.B. Tauris In the United States and Canada distributed by Palgrave Macmillan2
- John Blake2
- Mainstream2
- Penguin2
- Quercus2
- Allen & Unwin1
- Alpha Books1
- Amberley Publishing1
- Bantam1
- Bloomsbury Distributed to the trade by Holtzbrinck1
- Cornerstone Digital1
- Hachette Australia1
- Harper Inspire1
- HarperCollins1
- HarperCollins Publishers Ltd1
- HarperElement1