Softball Umpiring Mechanics Illustrated: 2 and 3 Person High School Crews includes CD-ROM

Designed from the ground up, Softball Mechanics Illustrated is the only High School softball mechanics book with detailed images and lifelike illustrations. 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.