The PDF, I am afraid, will not be of much use to English speaking AZ-readers, and that's too bad because this book by Belgian Stany Buyle has a few chapters that are original and insightful. He was an up-and-coming player (career cut short by an eye accident) and managed to keep his love of billiards alive in his new profession: cue builder. The brand name: EsBee. And they are good cues.