Runner's World Run Less, Run Faster: Become a Faster, Stronger Runner with the Revolutionary FIRST Training Program: Become a Faster, Stonger Runner with the Revolutionary First Training Program

by: Bill Pierce · Scott Murr · Ray Ross Ph.D. Taschenbuch details (Canada). ISBN: 978-1-59486-649-4 ISBN-10: 1-59486-649-X Rodale Books · 2007