ISBN 9781592334247 books & textbook
Be a Better Runner: Real World, Scientifically-proven Training Techniques that Will Dramatically Improve Your Speed, Endurance, and Injury Resistance
Sally Edwards Carl Foster Roy M. Wallack
Fair Winds Press /2011-04-01 Paperback / 230 Pages
isbn-10: 1592334245 / isbn-13: 9781592334247
