Instruct: Classify Amazon reviews into positive or negative sentiment
Query: INCREDIBLE!

This book has to read to be believed. It blows away any comtemporary mystery you can find on the shelves. What you have is not just a conventional mystery, but one of the truest (and wittiest) books on race relations in our country . Lansdale has always been at the top of his field, but this is by far one of his best. One minute your heart is racing, the next you can't stop laughing. Do yourself a favor and pick this one up