Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Why did I waste my money?

I recently purchased a large set of the classics and I wanted a companion book that would give me short educational insight to many of the works. I quickly realized this book was a poor choice. The author made every attempt to tear down the Christian faith, many times by promoting the heretical beliefs of the Gnostics. He also pointlessly tried to denegrate the divinely insprired relationship between the Old and New Testaments. These are just some of many ideas propagated which disturbed me. I realize my disgust with the book may be a result of my personal beliefs being called into question, however, the author seems to have very strong beliefs also. Unfortunately, his beliefs appear to be based in utter disdain for the Christian faith; usually the result of a life of spiritual denial. My beliefs, however, are the results of a changed life and eternal hope.