The complete go-to resource for all the latest information on NHL rules changes and updates Extremely thorough and expertly detailed, this guide is the most valuable resource for referees, coaches, leagues, and serious fans of the National Hockey League. The singular resource for the official rules of the game, updated for the most recent changes, this book includes everything that is necessary to know in order to be a professional hockey expert--on or off the ice. From puck dimensions to penalty calls, and with informative diagrams and a complete index, nothing is overlooked in this essential hockey reference.