| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Bumblebees Can't Fly: Seven Simple Strategies for Making the Impossible Possible | 978-0-470-83439-8 (0-470-83439-0) | 2004 |
| Eagles Must Soar: 7 Simple Strategies for Living a Life With Certainty | 978-0-470-83468-8 (0-470-83468-4) | 2004 |
| Powerful Exhibit Marketing | 978-0-470-83469-5 (0-470-83469-2) | 2005 |