Publisher
- Harper Voyager8
- Head of Zeus3
- Head of Zeus -- an AdAstra book3
- A H Stockwell2
- Harper Voyager Impulse2
- AUK Authors1
- Arthur H. Stockwell1
- AuthorHouse UK1
- Bloomsbury Caravel1
- HARPER Voyager1
- Harper Voyager Impulse, an imprint of HarperCollins Publishers1
- Harper Voyager Impulse, an imprint of HarperCollinsPublishers1
- Harper Voyager, an imprint of HarperCollins Publishers1
- HarperCollins e-books1
- Osprey Games1
- Osprey Publishing1