Instruct: Classify Amazon reviews into positive or negative sentiment
Query: A fine book

This book is well written. It covers basic information that will be helpful to budding locksmiths. The book touches just about any matter that a locksmith will encounter. It is laid out well and has many pictures and diagrams. Some of the reviews listed for this book are a tad overblown...but this book would definitely be a good one to have if you are studying locksmithing.