Everything you need to know about calling balls & strikes. Veteran officials and beginners alike will quickly put this book at the top of their training library. You get all of the editorial prowess Referee is known for AND DVD video training that emphasizes and elaborates on what you learn in the book. There has never been a more detailed examination of your role and responsibilities as the plate umpire. You are an umpire because you love it and you want to be the best you can be. Be a balls & strikes expert.