Leigh Bardugo’s fantasy novel “Shadow and Bone” is about an imaginary land under siege by darkness — literal darkness — and the flesh-eating monsters who hide in it.

Now, the screenwriter of “K-19: The Widowmaker” and Oliver Stone’s bomb “Alexander” is close to landing the job of making it into a screenplay. Christopher Kyle would be adapting the first book in the “Grisha” trilogy, with a “Harry Potter” producer in charge and giving him notes.