Off the top of my head, here are some recommendations for seasonal reading:

Of Darkness and Light, by me. It’s been making people sleep with the light on since 1989.

Carnacki the Ghost-Finder by William Hope Hodgson. A classic, far ahead of its time. Here’s an essay I wrote about it.Also, I wrote The Host, a Thomas Carnacki story set in modern Scotland.

The Devil Rides Out by Dennis Wheatley. Another classic, but not at all ahead of its time. The racism, classism and general Little Englandism of...