The Physics of Watercolor provides descriptions and illustrations of what happens when watercolor pigment hits the paper. Helsaple explains: "After numerous requests over the years, I decided it was time to describe with diagrams what happens when watercolor touches paper. Brush skills, observation and timing is required to become proficient in watercolor painting. Most people know what they want to paint, but they need the technique skills on how to accomplish it. This book describes how methods of how to use watercolor well. Just as you must learn to how to ride a bicycle before attempting a cross country ride, it is necessary to first learn the physical and manipulation skills of handling a fluid medium like watercolor before you can create your "Masterwork".