| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Geometry in Action: A Discovery Approach Using the Geometer's Sketchpad | 978-1-931914-19-2 (1-931914-19-2) | |
| Geometry in Action: A Discovery Approach Using The Geometer's Sketchpad® | 978-1-931914-02-4 (1-931914-02-8) | 2003 |