Here is a review left by a customer on a product. Would you say he was satisfied or dissatisfied?
Title: very helpful
Review: I'm an engineer, I've been out of school for 3 years and I bought this book for my first grad class. The book itself is like most textbooks... reading it will put you to sleep. However this book was great for learning the material. My professor is extremely hard to understand and not very helpful in lecture. Basically I taught myself the material from this book and passed with an A.
