| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Bookworm: Discovering Idioms, Sayings and Expressions | 978-1-932565-42-3 (1-932565-42-6) | 2007 |
| Herman's Hiding Places | 978-1-932565-01-0 (1-932565-01-9) | 2004 |
| Who Took My Shoe? | 978-1-885477-95-8 (1-885477-95-3) | 2003 |