| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Wet-Into-Wet Watercolor: Complete Guide to an Essential Watercolor Technique | 978-0-8230-5714-6 (0-8230-5714-3) | 2001 |
| Wet-Into-Wet Watercolor: The Complete Guide to an Essential Watercolor Technique | 978-0-8230-5715-3 (0-8230-5715-1) | 1995 |