| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Conor and the Crossworlds, Book Five: The Author of All Worlds | 978-0-615-40439-4 (0-615-40439-1) | 2010 | Kevin Gerard |
| Conor and the Crossworlds, Book Four: Charge of the Champions | 978-0-615-31150-0 (0-615-31150-4) | 2009 | " |
| Conor and the Crossworlds, Book Three: Surviving an Altered World | 978-0-615-33106-5 (0-615-33106-8) | 2010 | " |