| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Higher Level Thinking Questions: Intermediate Literature | 978-1-879097-49-0 | 2001 | Laurie Kagan · Miguel Kagan |
| Higher Level Thinking Questions: Language Arts | 978-1-879097-53-7 | 2001 | Laurie Kagan · Miguel Kagan |
| Higher Level Thinking Questions: Life and Earth Sciences | 978-1-879097-51-3 | 2001 | Miguel Kagan |
| Higher Level Thinking Questions: Physical Science | 978-1-879097-52-0 | 2001 | " |
| Spanish Higher-Level Thinking Questions | 978-1-879097-83-4 | 2005 | Laurie Kagan · Miguel Kagan |