A television adaptation of Sebastien de Castell’s “Spellslinger” fantasy book series is in the works from “John Wick” director Chad Stahelski’s 87Eleven Entertainment and Basset Hound Distribution. M. Raven Metzner, a writer-producer whose credits include “Star Trek: Discovery,” “Sleepy Hollow,” “Elektra” and “Clue,” will serve as showrunner and writer of the one-hour action-adventure series. Metzner […]