Capstone Press · Picture Window Books
| title | ISBN-13 | year of publication |
|---|---|---|
| An Illustrated Timeline of Inventions and Inventors | 978-1-4048-7017-8 | 2011 |
| An Illustrated Timeline of Transportation | 978-1-4048-7019-2 | 2011 |
| South Africa: A Question and Answer Book | 978-0-7368-6411-4 | 2006 |
| The Dominican Republic: A Question and Answer Book | 978-0-7368-4353-9 | 2005 |