| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Bloodstone | 978-0-441-02100-0 | 2011 | |
| Darklands | 978-1-937007-70-6 | 2012 | |
| Deadtown | 978-0-441-01813-0 | 2009 | |
| Google Docs 4 Everyone | 978-0-7897-3936-0 | 2009 | Steven Holzner |
| Hellforged | 978-0-441-01980-9 | 2010 | |
| Hellhound | 978-0-425-26280-1 | 2013 | |