| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2007 | 978-0-9797202-0-8 | James Todd Cochrane | Max and the Gatekeeper |
| '' | 978-0-9797202-1-5 | '' | Max and the Gatekeeper |
| 2009 | 978-0-9797202-2-2 | '' | The Hourglass of Souls (Max and the Gatekeeper Book II) |
| 2011 | 978-0-9797202-6-0 | '' | The Descendant and the Demon's Fork (Max and the Gatekeeper Book III) |