The Women’s Health Big Book of 15-Minute Workouts: A Leaner, Sexier, Healthier You–In 15 Minutes a Day! Price: $14.49(as of Oct 24,2019 05:40:10 UTC – Details) SELENE YEAGER is a top-selling author, certified personal trainer, and all-American Ironman triathlete. She lives in Lehigh Valley, PA.