| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Cosmic Storm | Hardcover | 978-0-7653-2111-4 | 2011 |
| The Cassini Code: A Galahad Book | Paperback | 978-0-7653-6079-3 | 2010 |
| The Comet's Curse: A Galahad Book | " | 978-0-7653-6077-9 | 2010 |
| The Comet's Curse: A Galahad Book | Hardcover | 978-0-7653-2107-7 | 2008 |
| The Dark Zone: A Galahad Book | Paperback | 978-0-7653-6080-9 | 2019 |
| The Dark Zone: A Galahad Book | Hardcover | 978-0-7653-2110-7 | 2011 |
| The Galahad Legacy | " | 978-0-7653-2112-1 | 2012 |
| The Web of Titan: A Galahad Book | Paperback | 978-0-7653-6078-6 | 2010 |
| The Web of Titan, Publication Cancelled: A Galahad Book | Hardcover | 978-0-7653-2108-4 | 2099 |