This little book will teach you all you need to know about the most frustrating yet entertaining pitch in baseball: the knuckleball. It makes batters look foolish when it works; it embarrasses pitchers when it doesn't...or if it works too well. It humiliates catchers and umpires. It confounds spectators. Dave Clark has spent most of a lifetime studying the knuckleball, talking to the major league pitchers who have thrown it, and throwing a few of...