Instruct: Classify a given Amazon review as either positive or negative.
Query: Life Changing!

Hayek's case cannot be refuted. There is a reason why people still read it almost 60 years later: the contest between socialism and free enterprise is clearly stated.... ...Mises and Menger are nowhere to be found. ...The true worth of this book can be seen in the ignorance and desperate angst of the negative reviewers here. This book's value is in direct proportion to the vituperation. Read on!