Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Simply the worst book I have ever read.

The dull meandering nothings of a life wasted, this book is appallingly written, and its editing is even worse. The most disgraceful thing about this book is that the message contained within could be both interesting and useful, but is swamped by the aimless waffle about the retail industry, about pointless and meaningless petty squabbles with people from fifty years past. This is, quite simply, not worth the paper its printed on, the time it has consumed, or the avarice that was expended to produce it.