Zoltan Szabo was a well-known painter and watercolor instructor who taught workshops nationwide. He was among the first watercolor teachers to do so, and one of the first and most successful authors of watercolor instruction books. His previous North Light books include: Zoltan Szabo Watercolor Techniques (1994); Zoltan Szabo's Color-by-Color Guide to Watercolor (1998); and Watercolor Basics: Trees, Mountains and Rocks (2000).