| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Alexander Graham Bell: A Life of Helpfulness | 978-0-8225-6457-7 | 2007 | |
| Assassination of John F. Kennedy | 978-1-59197-277-8 | 2004 | |
| California Gold Rush | 978-1-59197-281-5 | 2004 | |
| Crossing Safety | 978-0-8225-6821-6 | 2007 | |
| Emergencies | 978-0-8225-6824-7 | 2007 | |
| Fire Safety | 978-0-8225-6820-9 | 2007 | |
| Hexagon | 978-0-8225-6857-5 | 2007 | |
| Michael Phelps | 978-0-8225-2631-5 | 2005 | Jeffrey Zuehlke |
| Mixing | 978-0-8225-6411-9 | 2007 | |
| Operation Iraqi Freedom | 978-1-59197-496-3 | 2003 | |
| Oval | 978-0-8225-6858-2 | 2007 | Ann-Marie Kishel |
| Over and Under | 978-0-8225-5350-2 | 2005 | |
| Rachel Carson: A Life of Responsibility | 978-0-8225-6456-0 | 2007 | |
| Rhombus | 978-0-8225-6860-5 | 2007 | |
| School Safety | 978-0-8225-6822-3 | 2007 | |
| Thermometer | 978-0-8225-5711-1 | 2006 | |
| Trapezoid | 978-0-8225-6856-8 | 2007 | Ann-Marie Kishel |