As good, or as bad, as any "chicken lit" story, only with a lot more sex. Some people may find this disturbing, others not, the sales speak for almost any book ever written.
Two words about the novel: the plot is rather thin, Leigh is far from being too clever, her mother is more than stupid, the final is, of course, a happy one. One more star due the little girl, Sarah, the nicest character from this story...