Instruct: Classify Amazon reviews into positive or negative sentiment
Query: 1491: New Revelations of the Americas Before Columbus

An extremely interesting account of the Americas before Columbus. I learned of accounts of peoples that I had never heard of in my history classes. It caused me to think very differently about the continent we inhabit. I was very surprised at how long ago some of the research had been done and how litle we have heard in the interim of the state of pre-Colibian civilization in the Americas. It was a mind expanding read.