2013 - Simplifying Design and Color for Artists Positive Results Using Negative Painting Techniques (Hardcover) ISBN-13: 9781440325236 ISBN-10: 1440325235 Genre: Arts & Photography ? 2008 - Watercolor Painting Outside the Lines (Paperback) ISBN-13: 9781600611940 ISBN-10: 160061194X Genre: Arts & Photography 2 2004 - Watercolor Painting Outside the Lines a Positive Approach to Negative Painting (Hardcover) ISBN-13: 9781581803761 ISBN-10: 1581803761 Genre: Arts & Photography 2 |