| title | ISBN-13 | year of publica- tion |
|---|---|---|
| Reading Detective A1 | 978-0-89455-767-5 | 2001 |
| Reading Detective Beginning Level | 978-0-89455-769-9 | 2001 |
| Reading Detective Rx | 978-0-89455-801-6 | 2002 |
| Word Roots Level A: Learning the Building Blocks of Spelling and Vocabulary | 978-0-89455-804-7 | 2002 |
| Word Roots Level B: Learning the Building Blocks of Spelling and Vocabulary | 978-0-89455-805-4 | 2002 |