If your looking for a book that is all meat, if your looking for the "bible" of motors, if your desire for motor knoweledge is from the most basic to advance knoweledge.....YOU have to buy this book. I am an electrician, and industrial controls technician and I have found no better book. I am looking through my well used second edition, that was given to me while in college in 1984, and if you could see just my first page of the book, at how much highlighting and notes in the margins there are, you would see that nearly every sentence in the book is packed full of useful information,...IF... you take the time to read it. I believe it is as clearly written as you can get on a technical subject. I consider myself just a slightly above average student, and even I could understand this material. From casual interest in motors to engineer, this book needs to be on your technical bookshelf, unlike other technical books at this price that I threw out after college, this is a keeper. Check out all the other reviewers here, then buy the book.