| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| On the Edge of Earth: The Future of American Space Power | Digital | 978-0-8131-4577-8 (0-8131-4577-5) | 2014 |
| On the Edge of Earth: The Future of American Space Power | " | 978-0-8131-4578-5 (0-8131-4578-3) | 2014 |
| On the Edge of Earth: The Future of American Space Power | Hardcover | 978-0-8131-2198-7 (0-8131-2198-1) | 2001 |