Instruct: Classify Amazon reviews into positive or negative sentiment
Query: A good book for beginner.

This type of book is rare. Most book consist of theory after theory and formula after formula.Finall'you still do not know how to make a real piece. This is a book deal with real job in machine shop.It is the place different ideas turn into a real piece. This book also is a collection of many ideas and experience from the author. If you are a beginner in machining like me, you may find many practical advice from this book.