ISBN-13: 9781475051568 / Angielski / Miękka / 2012 / 140 str.
ISBN-13: 9781475051568 / Angielski / Miękka / 2012 / 140 str.
The author presents his system for running past forty which he calls "Optimization." He includes a lot of background information about running and helpful hints on training and avoiding injuries that will add to your enjoyment of the sport - if you are starting or trying to continue.