| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Facts about the World's Nations | 978-0-8242-0955-1 (0-8242-0955-9) | 1999 |
| Reference Shelf: Global Climate Change | 978-0-8242-1216-2 (0-8242-1216-9) | 2013 |
| The Business of Food | 978-0-8242-1211-7 (0-8242-1211-8) | 2000 |