Instruct: Classify a review into positive or negative sentiment.
Query: Bad organization, mistakes and lack of details

This is probably one of the worst books I have ever used. Material is repeated verbatum several times over and the labs are the same in several chapters. Concepts are not explained clearly and in varying degrees. The edition I had was riddled with mistakes that even novice users were able to pick out. Worst of all is the organization - it looks like the authors just copied and pasted everything toghether. This book will definately not prepare you for the exam and is a pain to read.