An extensive collection of baseball signs and signals for every game situation. Covers offensive and defensive gestures and coaching signs that make up baseball's silent communication system. Some of the topics include the history, philosophy, and evolution of plays and signs -- even a guide to umpire signals. Lots of the details of sign systems that will help you as a coach get your message across.Author Stu Southworth is a former college ballplayer and high school and American Legion coach. He has compiled a lifetime winning percentage of 78% during his 31 years as a coach in California, Washington, and Oregon. 274 pages. By Stu Southworth. CATEGORIES: Coaching, Mental Game / LEVEL: Intermediate-Advanced / TYPE: Book