Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Learn Latin first

The other reviewers either must have been paid by the publisher, or are monks. Here is what you really need to know. It promises a great mystery, and was actually suspenseful, but very anticlimactic. The book is more philosophy than mystery. In addition, you really need to learn Latin before reading this book. There are many Latin phrases, in which entire pages discuss the phrase, but without knowing Latin the reader is lost.