Publisher
- HarperCollins e-books5
- Zonderkidz3
- Department for Business and Trade2
- Harper, an imprint of HarperCollinsPublishers2
- Katherine Tegen Books, an imprint of HarperCollinsPublishers2
- Stripes2
- ZonderKidz2
- Zondervan2
- Balzer + Bray, an imprint of HarperCollinsPublishers1
- Bookouture1
- Egmont UK1
- Electric Monkey Made available through hoopla1
- Faber & Faber1
- Greenwillow Books1
- Greenwillow Books, an imprint of HarperCollinsPublishers1
- Harper Voyager, an imprint of HarperCollinsPublishers1
- HarperCollins ebooks1
- HarperCollinsPublishers1
- HarperTeen1
- HarperTeen, an imprint of HarperCollinsPublishers1