OMG, one of my new favorites of all time, best book I read this year. Such an interesting story, super engaging characters (many of whom you love to hate, or hate that you love them, or love how much you love all their flaws), and one of the coolest ways to tell a story (most of the book is written as letters/emails/voicemails back and forth between the characters, it's a brand new perspective and it keeps it so interesting). 
 I actually didn't "read" this book at all. The wait list at the library is so long, I just started listening to the audio version, and the narrator is SO AWESOME that I didn't even get the book, I just listened to the whole thing. I'm sure the book is still great to read the regular way, but I would definitely suggest getting to audio version too.