A terrific companion to Gretchen Reynolds's New York Times bestseller THE FIRST 20 MINUTES, this Penguin Special features new material and a wealth of perscriptive insight for those looking to get in shape, stay in shape, or push themselves even farther. The First 20 Minutes Personal Trainer offers detailed advice and instruction on how to exercise, how not to exercise, and what to do in order to get the most from your workout.