Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Very good, but you need to be patient and constant

I'm very happy with this purchase, but this book is not a 'one week guitar method'. You have to be constant (study two or three times a week at least) and patient, since the sight reading part is not easy to learn, and in my case, getting used to the metronome has not been easy.Particularly if you have already been playing for a few years, which is my case, you'll need to be patient since your fingers go much faster than your eyes and brain when you're learning to read.Having said that, you'll learn a lot from this book and get a very structured background in your guitar playing. Highly recommended.