In the competitive world of high school basketball and volleyball, an athlete’s ability to jump higher can be a game-changer. Therefore, Long Island Sports Training is thrilled to announce the inclusion of "The Jump Manual" by Jacob Hiller into their specialized vertical leap training program. Long Island Sports Training City: Mastic Address: 27 Wood Ave Website https://www.longislandsportstraining.com Phone +16315944048 Email tim@longislandsportstraining.com