From flickfilosopher.com --
Have you read any of Stephen King’s series The Dark Tower? No? Imagine if Clint Eastwood and James Joyce collaborated on a trippy fantasy about the mystical quest of a gunslinger. It’s weird and fascinating and has inspired a cultish following (and I really need to read more of the series, which has stretched to seven books and ancillary material beyond that). You’d likely find a pretty good consensus among those who’ve read it that -- whether they love it or hate it, and not everyone loves it -- it’s probably unfilmable.
But that never stopped Hollywood.
The rights to The Dark Tower had been lingering with J.J. Abrams for a while: he’d envisioned it as a TV series, according to the Hollywood Reporter blog Heat Vision: