The thing is, I'm not as huge into movies as I used to be XD
But Dark Tower is a real crazy book series which spans I believe 7 or 8 books. It's by Stephen King which should explain a lot. I remember it not getting all that good until the second book. I'd recommend checking it out if you get the chance.
There are at least 2 different worlds, ours and Mid-World. Mid-World is kinda like and Apocalytic fantasy world, I might say it's a bit like Outworld from Mortal Kombat (at least that's how I pictured it while reading).If you know the movie the fog (also based on a King Novel) the monsters in that are from Mid-World I think. It's just a nod to the series though.
It's best to google just a bit, not to much or else you'll spoil yourself to much, just look up stuff from the first and second book since they set up the most important things if I remember correctly.
i rarely read books for reason it's really hard for me to find any that i think i'd like, and i don't remember ever seeing dark tower when i search for books to buy..
but with this movie getting made maybe there's a chance they'll make new/more copies, same thing happened with LoTR and harry potter, and that sparkling vampire stuff..
there's a monster in the fog? did you mean the mist? anyway, i'd google it and find the book if i can..
oh and btw, this is not the right time to not into movies, i myself think there's so much to talk about with upcoming movies, there quite alot of nice premises on them
Id say its very mixed bag. Some parts are fun and enjoyable. some parts are daunting boring or stupid. It takes lot of take on pop culture and so and basically a centre of most of Kings' fiction. Even IT is related to this book. Basically its post apocalyptic fantasy with western vibes. Though it does feature one of the best villains in SK books.
the best villain --in stephen king's books-- might be the thing i'd google for a start, this'll probably bring more to my interest.. post apocalyptic fantasy sounds nice too..