| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Higher Level Thinking Questions: Mathematics, Grades 3-6 | 978-1-879097-82-7 (1-879097-82-6) | 2005 | Miguel Kagan |
| Higher Level Thinking Questions: Secondary Mathematics | 978-1-879097-86-5 (1-879097-86-9) | 2005 | " |