The Book of Fury is a tool that many aspiring vampire hunters would kill to get their hands on. Of course, since the only way to get it would be to pry it from the dead hand of the Reverend Fury…
You find a book in the library, then when you start to read it, seems to change from pages of words to pages of images that seem to live and move. If you touch the page after the images appear, you travel into the story and now live in that world.
There is a book on that world, that leads back to this one.