I recently re-re-read this book.
The book, for those of you who haven't read it, is written in two main parts. One part is told through the eyes of Josie Taylor, a girl turning sixteen on leap day. The other part is written from third person about all the people she's affected. For example, in Josie's chapter, she might just glance at a boy and think he's weird. In the next chapter, you will see what the boy is feeling, and what's important in his life.
Though the plot wasn't spectacular, I thought it was pretty good, and Mass makes some very good points throughout the book. I am more drawn, though, to that style of writing. It's fascinating to see how each individual character has hopes and fears. It's a good reminder to the reader that the world doesn't revolve around one person. Other people have feelings, too.
I recommend it to someone who feels like a pretty easy, yet very interesting, read. I must tell you, though, I believe the target audience is high-school girls. If you are not a member of that audience, you might give it a try anyway.