Mark Lauren: You Are Your Own Gym (2012)

Say goodbye to long, tedious hours at the gym and boring, muscle-depleting cardio sessions. Elite trainer and fitness guru Mark Lauren is here to show you that the best—and only—equipment you need to get in shape is free and always accessible: your own body. Making use of systematic changes to training intensity and volume, this program will keep you challenged at just the right level, ensuring you the best body of your life, injury free.