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As it happens I have both the Kindle and softcover print editions of this title. The Kindle edition is somewhat easier to prop up and paint along with, but the print edition is much more pleasant to flip through. This book is fun, but it's overstating to call these paintings masterpieces. Many of them are cute, but some of them just look amateurish. It is also not strictly a book for beginners, who would need more explanation of basics than the book provides.
Pros: Fairly clear step by step illustrations and descriptions of the process for each painting. Beautifully rendered color illustrations throughout the book. Most designs can painted by someone with a little watercolor experience, even without a lot of drawing skill. Good index.
Cons: Too many of the paintings are too cute, at least for my taste, and others look like an amateur's not quite finished sketch. The suggested color mixing illustrations don't give the names of the pigments used in mixing, so they aren't much help. The list of supplies, given in an appendix at the end of the book, is very brief and general. Also, British terminology may be confusing to American readers. For instance, what Americans call "pans," the British apparently call "cuvettes."
The cover shows the most artistic paintings in the book. For a taste of what most are like, look at the smiling whale on the back cover. Your taste may be more inclined toward this style. Just don't assume you can pick up a set of watercolors for the first time and start painting successfully from this book.
This book is good for learning techniques and basics. I really wanted tutorials on a more realistic style. These paintings are very cartoons and the flowers are a style that I try not to end up with. It may be perfect for some, but I was very disappointed. Just make sure you know what you are looking for before buying it.