| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| A Calculated Demise: Book Two in the Bonnie Pinkwater Series | 978-1-933836-15-7 (1-933836-15-6) | 2007 |
| Irrational Numbers | 978-1-933836-88-1 (1-933836-88-1) | 2008 |
| The Witch of Agnesi | 978-1-932815-72-6 (1-932815-72-4) | 2006 |
R. S. · R. Spiller · Robert E. Spiller · Robert Ernest Spiller · Robert S.