Nicole, I think I suggested this to you before, but you should have them read The Thirteenth Tale. It's awesome and a fairly quick read. It's a great read for people who love books and love a good story.
I'm listening to the last book in the Fallen series right now, and I've got to say...I don't know if it's the audio format, or what, but I liked the first couple books in the series (which I read) better than the last 2 (which I listened to). Or maybe I'm just mixing up series, but I'm not really "in to" Rapture like I feel I should be. I've been trying audio books while I'm scrapping and designing at the computer, since I often listen to tv shows...I figured an audiobook was similar.