| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Archibald Zwick and the Eight Towers | Paperback | 978-1-61507-649-9 | 2010 |
| Archibald Zwick and the Eight Towers | Hardcover | 978-1-61507-650-5 | 2010 |
| Truth in the Eight Towers | Paperback | 978-1-61507-843-1 | 2011 |
| Truth in the Eight Towers | Hardcover | 978-1-61507-844-8 | 2011 |
L.P. · Leslie P. · R. L · R.Leslie · R. P. · R. Palmer · Robert L. · Robert L. Palmer · Robert Leslie · Robert P. · Robert Palmer