Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Good Overview of Real Magic Stuff

With countless imaginative, nonsensical magical texts out there and new-age crap, where should one start to search for real serious stuff? This book is it. The research done is admirable and the stuff mentioned were really in use. Gives one a true view of what grimoires are and how they were used.This is a very good book to start for anyone looking for real stuff.