| title | ISBN-13 | year of publication |
|---|---|---|
| Citizenship | 978-0-8225-6404-1 | 2007 |
| Dogs and Puppies | 978-0-8225-5650-3 | 2006 |
| Elizabeth Blackwell: A Life of Diligence | 978-0-8225-6453-9 | 2007 |
| Government Services | 978-0-8225-6403-4 | 2007 |
| Hexagon | 978-0-8225-6857-5 | 2007 |
| Oval | 978-0-8225-6858-2 | 2007 |
| Rosa Parks: A Life of Courage | 978-0-8225-5698-5 | 2006 |
| Rules and Laws | 978-0-8225-6402-7 | 2007 |
| Thomas Jefferson: A Life of Patriotism | 978-0-8225-5695-4 | 2006 |
| Trapezoid | 978-0-8225-6856-8 | 2007 |
| What Is Government? | 978-0-8225-6399-0 | 2007 |