| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| The United Nations | Hardcover | 978-0-7377-3695-3 (0-7377-3695-X) | 2007 |
| The United Nations | Paperback | 978-0-7377-3696-0 (0-7377-3696-8) | 2007 |
| World Hunger | Hardcover | 978-0-7377-2761-6 (0-7377-2761-6) | 2006 |