Instruct: Classify Amazon reviews into positive or negative sentiment
Query: An exhaustive reference book on a complicated subject...

McBane has written an extremely thorough book which is of value to any rider who wishes to expand their knowledge of English tack and related equipment.The book has the following chapters: Saddles and Accessories; Bridles and Bits; Training Equipment; Headcollars and Halters' Clothing; Protective Equipment; Driving Equipment; Care of Equipment; and a good Index. The book is filled with color photos as well as black and white line drawings so you know exactly what she is referring to. As well, she puts in sidebars which go over the reasons why or why not you might want to use a particular piece of tack. Included are some history on various types of equipment and techniques for using the various items correctly.All in all this is a wonderful book for the English rider of any age or skill level. Don't hesitate to buy it.