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Condition: USED (All books are in used condition)
Condition - Very Good The item shows wear from consistent use, but it remains in good condition and functions properly. Item may arrive with damaged packaging or be repackaged. It may be marked, have identifying markings on it, or have minor cosmetic damage. It may also be missing some parts/accessories or bundled items.
Underground Secrets To Faster Running
High school phenomenon Allyson Felix used this strength training system to run the fastest 200 meters in the world in 2003. Based upon physiology and physics, it incorporates the most recent studies in running mechanics. This training program will dramatically increase running speed, jumping height and muscle power for all athletes.