Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Total Waste of our hard earned money

I bought this book last week. This is total waste. I don't know why Amazon sells books like this. It is not even worth 5 dollars. Being regular buyer from Amazon, now I really would like to think twice before buying books from here. Please do not sell such craps. It is our hard earned money we invest to buy books. If Amazon can refund I would be more than happy to return the book.