| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Can You Count in Greek?: Exploring Ancient Number Systems | 978-1-59363-056-0 | 2005 | |
| Detective Club: Mysteries for Young Thinkers | 978-1-59363-065-2 | 2005 | |
| Enrichment Units in Math | 978-1-59363-068-3 | 2005 | |
| Enrichment Units in Math | 978-1-59363-069-0 | 2005 | Dianne Draze |
| Imagination Celebration: Adventures in Creativity | 978-1-59363-075-1 | 2005 | |
| Math Extension Units | 978-1-59363-099-7 | 2005 | |
| Math Extension Units | 978-1-59363-100-0 | 2005 | |
| Primarily Creativity | 978-1-59363-036-2 | 2005 | |
| Primarily Logic | 978-1-59363-122-2 | 2005 | |
| Primarily Math: A Problem Solving Approach, Grades 2-4 | 978-1-59363-123-9 | 2005 | Sharon Eckert |
| Primarily Research | 978-1-59363-126-0 | 2005 | |
| Primarily Thinking | 978-1-59363-038-6 | 2005 | |