These movies are based off of all four of the books. The books are basically about vampire romance crap. [Although some of the vampires are pretty cool]

Honestly the only reason why I read the books and watched the movies was for the wolves.

There are not a lot of scenes with the wolves in the movie's because it's not based on them.

Although when the wolves do come into the movies the scenes are pretty cool. (The wolves start coming into the movies in 'New Moon')