Publisher
- Severn House5
- HarperCollins3
- Bloomsbury Reader2
- Bookouture2
- Grove Press2
- Katherine Tegen Books, an imprint of HarperCollins Publishers2
- Quercus2
- William Morrow2
- Accent Press1
- Andrews UK Limited1
- Arrow Books1
- Atlantic Monthly Press1
- Balzer + Bray, an imprint of HarperCollinsPublishers1
- Bantam Books1
- Birlinn1
- Bloomsbury1
- CR Crime, Constable & Robinson1
- Christian Alternative1
- Crème de la Crime1
- Definitions1