Publisher
- Routledge52
- Jessica Kingsley Publishers50
- Ebury Digital23
- Thomas Nelson13
- HarperCollins e-books9
- Piatkus9
- Yellow Kite8
- Dorling Kindersley Limited7
- Fair Winds Press6
- HarperCollins6
- Vermilion6
- Alpha5
- Corwin5
- Harper5
- HarperCollinsPublishers5
- Karnac Books5
- Oberon Books5
- Rowman & Littlefield Publishers5
- Souvenir Press5
- Transworld Digital5