Publisher
- Ebury Digital32
- Mitchell Beazley23
- Vintage Digital21
- Kyle Books19
- HarperCollinsPublishers14
- Penguin Books14
- BBC Digital13
- Hodder Education13
- Bloomsbury12
- Gooseberry Patch12
- Hodder & Stoughton12
- Michael Joseph10
- Dorling Kindersley Limited9
- Ryland Peters & Small8
- BBC7
- Dorling Kindersley7
- Hachette Australia7
- Quercus7
- William Morrow7
- Hamlyn6