Publisher
- HarperCollins e-books17
- Harper, an imprint of HarperCollinsPublishers9
- HarperCollins9
- Zonderkidz9
- Stripes8
- Harper7
- Katherine Tegen Books, an imprint of HarperCollinsPublishers7
- Puffin6
- Thomas Nelson6
- Bloomsbury5
- Stripes Publishing5
- William Morrow, an imprint of HarperCollins Publishers5
- HarperCollins Children's4
- Pan4
- Katherine Tegen Books3
- Alfie Dog Limited2
- Avon2
- Bloomsbury Publishing2
- Bloomsbury USA Childrens2
- Canongate2