Dan Brown books are awesome. I'd encourage everyone to read 1984 by George Orwell (Animal Farm sucked, don't let it turn you away from 1984) and Tuesdays With Morrie by Mitch Albom, which is really good too.
Eh, I think Dan Brown is overrated personally. The DaVinci Code and Angels and Demons were good but I didn't much like Deception Point or Digital Fortress from what I've read out of them. I just finished reading Survivor by Chuck Palahniuk and that was a really good book. I find myself liking every one of Chuck Palahniuk's books. Invisible Monsters and Choke are also really good. And I just started reading a book called House written by Frank Peretti and Ted Dekker. It seems pretty interesting.