Publisher
- Penguin4
- Allen Lane3
- Amberley Publishing3
- Hodder Gibson3
- The History Press3
- Abacus2
- Cambridge Scholars Publishing2
- Cassell2
- Dorling Kindersley Limited2
- Faber & Faber2
- Hodder Education2
- Little, Brown and Company2
- Orion Children's Books2
- Routledge2
- Wayland2
- Allison & Busby Limited1
- Alpha Books1
- Andrews UK1
- BBC Digital1
- Bloomsbury Academic1