| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Cape Cod Mystery Selections | 978-1-56511-662-7 (1-56511-662-3) | 2001 |
| Captain Underhill Uncoils the Mystery: The Cobra in the Kindergarten and The Whirlpool | 978-1-56511-961-1 (1-56511-961-4) | 2005 |
| Captain Underhill Uncovers the Truth: behind Edgar Allan Crow and the Purloined, Purloined Letter | 978-1-56511-962-8 (1-56511-962-2) | 2005 |
S.O. · S. T. · S. Thomas · Steven T. · Steven Thomas