| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Math 4 Real: Combined Probability | 978-1-57225-815-0 | 2004 | Channel Four Television Corporation |
| Math 4 Real: Enlargement | 978-1-57225-819-8 | 2004 | " |
| Math 4 Real: Loci | 978-1-57225-818-1 | 2004 | " |
| The Fall of Great Empires | 978-1-57225-924-9 | 2004 | |
| U.S. Geography for Students: Florida | 978-1-57225-827-3 | 2004 | Schlessinger Media |