Movie novellisations-alternate endings

Has anyone noticed that movie novellisations often have different endings to the actual films?

Blade:Trinity, Star Trek:Nemesis, League of Extraordinary Gentlemen, Men in Black 2, Freddy vs Jason etc

Why do you suppose this is?

Freddy vs Jason was a novel?

Yes.

I liked the Alternate ending to Freddy vs. Jason better.

You should read 'A Nightmare on Elm Street 3: Dream Warriors' the book is 90% different from the actual movie, I'm guessing it was written from an early script.

That is interesting, thank you. I've never heard of a movie novelisation that differed that much from its source.

Yea I argee. the book "THe Outsiders" had a horrible ending in the movie.THe books were a whole lot better.I hate it when they do this it is so annoying!JM