Selene Yeager is a top-selling author and professional health and fitness writer who lives what she writes as a certified personal trainer, expert-class mountain bike racer, and triathlete. She has authored, co-authored, and contributed to more than two dozen books. She is a contributing editor at "Prevention" and "Scuba Diving" magazines and dishes out training advice monthly as "Bicycling" magazine s "FitChick." She lives in Emmaus, Pennsylvania.