Cardio Core 4x4: The 20-Minute, No-Gym Workout That Will Transform Your Body!
"The book is very well thought-out and complete plan to get you from not-so-fit to functionally fit...The advice is solid. Like [Cardiello's] abs...it's a great read for the ladies as well. And I guarantee that whether you're a seasoned exerciser or a newbie, you'll learn some new core-a-rific moves and some fun facts. Definitely worth a read. And a workout!" -- FitBottomGirls.com