This is a wonderful watercolor techniques book by Robin Berry.
It's packed with lots of insightful and concise tips. It's not just on watercolor tips but also on general drawing principles such as composition, using values, etc.
9 step-by-step demonstrations are included. The instructions are clear and they detail each painting process. There are beautiful paintings as examples throughout, from Robin Berry herself and other invited artists.
It's an insightful and inspiring compendium suitable for beginners. Advanced artists might enjoy the examples and ideas suggested.