There should be a star rating between "It's OK" and "I don't like it."
I bought this based on other reviews on Amazon and was disappointed. It is nice to have some of the most basic principles of composition reviewed, but I must admit I naively bought into the words "Mastering Composition" and the many nice reviews.
The content lacks the substance to deliver on the very ambitious promises contained in the title. If you are new to painting, if this is the first instruction book on art you have ever seen and you are new to composition, you might be impressed. Had the title been "Introduction to Composition," the book might more appropriately have been able to find a fitting audience.
The DVD seem as an afterthought and merely repeats a few things from the book, after which the remaining half of the disc is a slide show repeating what you have seen in the first half, but without the words.