Publisher
- Adlard Coles Nautical1
- Allison & Busby3
- Amberley Publishing1
- Aurum Press1
- AuthorHouse UK2
- Bloomsbury Academic1
- Cannongate1
- Canongate1
- Guardian Books1
- Jonathan Cape1
- Little, Brown Book Group1
- Markosia Enterprises3
- Markosia Enterprises Ltd7
- Markosia Enterprises Ltd Made available through hoopla2
- Orang Utan Comics1
- Osprey Publishing Ltd1
- Palgrave Macmillan1
- Penguin1
- RHCP Digital1
- Transworld Digital1