| title | media type | ISBN-13 | year of publica- tion |
|---|---|---|---|
| 1898 to World War II | Library Binding | 978-0-7614-4176-2 | 2009 |
| Paraguay | Paperback | 978-1-4222-0705-5 | 2009 |
| Paraguay | Library Binding | 978-1-59084-297-3 | 2003 |
| Teens & Relationships | " | 978-1-59084-875-3 | 2005 |
| Teens & The Media | " | 978-1-59084-874-6 | 2005 |