Despite the concern of many, The Dark Tower—which is only three months away—has gone an uncomfortably long time without showing any footage to the public. Today's debut trailer should ease most Constant Readers' fears...and, we're guessing, rope in a herd of intrigued newbs.

Coming from Stephen King's eight-book series that hopscotches between genres, tones, dimensions, points of view and tons of his own novels, the Dark Tower movie seems to have distilled things into a palatable, understandable blockbuster franchise launch. The strongest evidence: In the source material, almost no specifics about the all-important, very-far-away Tower are clearly revealed until you're several books deep. In the movie, it's simplified and handed out from the start:

"The Tower protects both our worlds. If it falls, hell will be unleashed," Idris Elba's Roland Deschain, The Last Gunslinger tells Jake Chambers, a kid with the Shining. The Man in Black, who is worse than the devil, wants to destroy it.

Also: THERE ARE VISUAL REFERENCES TO IT AND THE SHINING.

Stephen King's praise for the adaptation executed by Danish director Nikolaj Arcel (A Royal Affair, original Girl with the Dragon Tattoo screenwriter) has been effusive, and we see why. Some of the big shots—intergalactic visions of the Tower and the Beams, two moons/planets hovering impossibly in the sky of a new world—are jaw-dropping. 

The movie's definitely interested in going beyond, around and outside the novels. (It's actually a sequel, in a spoilery way.) There are ninja guys that are either the Slow Mutants or some baddies I've completely forgotten in the not-many-years since I've read the books. Also, it's going to be New Yorkier than a reader would think.

The thing to dream about until The Dark Tower hits theaters on Aug. 4, though, will be Idris Elba reloading pistols in ways you never knew possible, and delivering classic book quotes like, "I do not shoot with my hand, I shoot with my mind. I do not kill with my gun; I kill with my heart."

Check out these badass new posters, too:

Next, nerd out at New York Comic Con with Fuse: