Publisher
- Bloomsbury Academic2
- Bloomsbury Education2
- Cambridge Scholars Publishing1
- Camden House1
- CollinsReference2
- DK Children7
- DK Children, Dorling Kindersley Limited2
- DK, a division of Penguin Random House LLC1
- Dorling Kindersley6
- Dorling Kindersley Limited2
- Edinburgh University Press1
- John Murray4
- Ladybird Books Ltd1
- Macmillan Education1
- National Geographic1
- Pearson1
- Pearson Education42
- Pearson Education Limited20
- Penguin Books78
- Puffin1