"Mary Helen's technique . . . allows anyone to achieve the long, toned physique of a dancer."
"Shows off a celebrity fitness trend that could just be the next Pilates."
"The ballerina responsible for whipping Natalie Portman into shape for her role in Black Swan is giving us the chance to attain 'prima' perfection with the release of her a book."
Bookviews.com, August 2012