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Title: Colleen is Amazing
Review: I own all of Colleen's books and they just keep getting better and better. I ride horses and I was looking for a workout that would inprove my balance and help me to be more aware of what my body was doing. The best part of working out on a ball is that if you make a mistake the ball moves so you KNOW that you are doing something wrong! I recommend this book for eveyone!
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