Now, for the first time ever, you can follow the methods devised by Tim S. Grover for such world champion clients such as Michael Jordan, Scottie Pippen, Charles Barkley, Hakeem Olajuwan, Alex Rodriguez and over 30 other pro athletes! The plan can add 6 to 14 inches to your vertical leap in 12 weeks, and is based on exercise science and a unique sequence of explosiveness training. Contains Motivational Tips from Tim Grover, as well as photos and input from over 30 professional sports stars. The set is fully illustrated, and is presented in an easy to follow and fun format. 2002 136 PAGES.