Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Excellent book, very poor print quality

The book is excellent, as most of the works of Edward T. Hall are. For anyone trying to understand the clash of cultures, either from a business perspective or a psycho - social one, the concepts of monochronic and polychronic time are most valuable. However, I was really disappointed by the very, very poor quality of print. Bad mark for Amazon from this point of view. Delivery ok.