| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Following Directions | 978-0-9822211-1-2 (0-9822211-1-8) | 2008 |
| Following Directions: The Fun and Easy Way | 978-0-9822211-0-5 (0-9822211-0-X) | 2008 |
| Making Inferences: A Fun and Easy Way to Understand & Practice Implied Meaning | 978-0-9822211-4-3 (0-9822211-4-2) | 2009 |