| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Commodity Strategies: High-profit Techniques for Investors and Traders | 978-0-470-12631-8 (0-470-12631-0) | 2007 | Lynn C. Harrison |
| Practicing Responsible Tourism | 978-0-470-89128-5 (0-470-89128-9) | 2010 | " |