https://www.infinite-beyond.com/down-at-the-crossroads/

They mostly do straight up occult/witchy books but there were a few times they invited authors promoting occult-related fiction, if memory serves me well ...

Also, your old pals, The Druid Podcast from OBOD https://www.druidry.org/druid-way/resources/druidcast-obod-podcast. They feature fiction books a lot.