| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2005 | 978-0-9765266-0-5 | John G. Blumberg | Silent Alarm: A Parable of Hope for Busy Professionals |
| '' | 978-0-9765266-1-2 | John G. Blumberg | Silent Alarm: A Parable of Hope for Busy Professionals |
| 2010 | 978-0-9765266-3-6 | John Blumberg | Silent Alarm |