Audiobooks, please!

In January 2012, I started listening to my first audiobook and I've been hooked ever since. I've found a few duds along the way, either due to story or narrator, and that's why I'm writing this now...I need your recommendations! Right now I'm listening to Twisted by Laurie Halse Anderson and also have Glow by Amy Kathleen Ryan, both from the library. Below are the ones I listened to last year:

I know I need to listen to the rest of the Chaos Walking trilogy, but what else? What are some must-listens? YA or adult is fine!