Instruct: Classify Amazon reviews into positive or negative sentiment
Query: The definitive work on the Apollo missions.

I waited a long time for this book. I have wanted to read an in-depth account of all the moon landings, and this is it. Mr. Chaikin does it all. He tells the reader everything about every mission. It's just that simple. The astronauts, and the NASA experts, the rockets, and the rock we call the moon. Have you ever wondered what the missions were all about? This book describes, in a can't-put-it-down way, the specifics of every Apollo mission. This book is the Rosetta Stone for any space or moon enthusiast. A masterpiece!