| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Usual Error: Why We Don't Understand Each Other and 34 Ways to Make It Better | 978-0-9821621-0-1 (0-9821621-0-3) | 2008 | Pace Smith |
| Time & Again | 978-0-9821621-1-8 (0-9821621-1-1) | 2013 | Ellie Di Julio |