This was one of those books that didn't really move me one way or the other. It wasn't a bad read, but then again it wasn't riveting and the storyline just jogged along for the few days it took me to read it. I never like to be mean about books, especially when authors have clearly put so much effort in, but it's just a fact of life that some books resonate with you and some books don't. I think the underlying problem I had with this book was that the main character, Helen, didn't seem very authentic. Helen is a top level scientist working in theoretical physics, and she holds a position as a Professor at MIT, but the author, Nell Freudenberger, is not a scientist and had to learn everything she writes about from scratch. To be fair, she has obviously learnt a great deal, as the book is peppered with explanations of scientific research, but it did seem a little forced at times. Anyway, scientist Helen's best friend Charlie had recently died after sufferin...