Publisher
- Rudolf Steiner Press5
- Escape Publishing2
- HarperCollins2
- HarperOne2
- Jo Fletcher Books2
- Moon Books2
- Routledge2
- Andrews UK1
- Austin Macauley Publishers1
- Bloomsbury Academic1
- Carina1
- Clairview Books1
- Cornerstone Digital1
- Coronet1
- Hamish Hamilton1
- Harper Design, an imprint of HarperCollingPublishers1
- Harper Voyager, an imprint of HarperCollins Publishers1
- Harper Voyager, an imprint of HarperCollinsPublishers1
- HarperCollins e-books1
- HarperTeen, an imprint of HarperCollinsPublishers1