Jaws - Peter Benchley
It just occurred to me that although the book is awesome (from what I remember), the movie was just as good, if not better. Yes, even though there are several differences.

Then again, the movie is one of my most favorite movies OF ALL TIME, so I am a bit biased.

"Shooow me the way to go home... (bum bum bum)
I'm tired and I want to go to bed"