I just purchased this book. If you are interested in the history of watercolor as well as learning how famous artists have used this exciting medium historically, then this book is for you. Emphasis on the fluid quality of watercolor and exploration of the spontaneous and accidental. Most examples are abstract or non-objective. Emphasis is on spontaneous, non-traditional techniques , such as pouring, texturing, collage, monoprinting, combining mediums, etc.
Examples are mostly abstract to non-objective.
Exercises to do. Lots of colored photos. If you can't find Watercolor Bold and Free, try this instead. Christopher Schink Watson-Guptill, 1981. Emphasis on design, color characteristics and mixing.