I would suggest it, it's a very good book. I've read it two or three times.
Basically what happens is that the "pulse" erases the civilized programming in our brains and it reverts people back into savage, blank-minded zombies...I dunno, hard to explain but a good book.
On that note, I got my copy signed, in the middle of the Hannaford grocery store a couple of weeks ago. I ran into Steven King while he was shopping and chatted with him a bit and got a signature!! SO COOL. (he lives 3 blocks away from me)