One Exercise, 12 Weeks, Chiseled Abs: Transform Your Core With This Sit-Up Strength Training Workout Routine | At Home Workouts | No Gym Required |

12 Minute Total Body Workout By Joyce L Vedral By Thriftbooks, Hardcover

The 15Minute Standing Abs Workout Plan: Ten Simple Core Exercises To Firm, Tone, And Tighten Your Midsection By Roberts, Dale L. By Thriftbooks

One Exercise, 12 Weeks, Chiseled Abs: Transform Your Core With This Situp Strength Training Workout Routine At Home Workouts No Gym Required By Smith, Cody By Thriftbooks