| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| From Seashells to Smart Cards: Money and Currency | 978-1-58810-954-5 (1-58810-954-2) | 2003 | Ernestine Giesecke · Daniel Condon |
| Playing the Market: Stocks & Bonds | 978-1-58810-495-3 (1-58810-495-8) | 2003 | Daniel Condon · D. Condon |