Baseball Umpiring Mechanics Illustrated: 2 and 3 Person High School Crews with CD-ROM

Designed from the ground up, Baseball Mechanics Illustrated is the only High School baseball mechanics book with detailed images and lifelike illustratons. Referee’s exclusive MechaniGram™ graphics bring positions, signals and plays to life.Images from the book are brought together on an easy to navigate CD-ROM for use during meetings and study.