What author is well known for writing speculative fiction and featured cover art by her brother on one of her books?
The Goblin Mirror The Goblin Mirror is a 1992 fantasy novel by science fiction and fantasy author C. J. Cherryh. It was first published in a hardcover edition by Ballantine Books under its Del Rey Books imprint, and featured cover art by Cherryh's brother, David A. Cherry.
Supernatural fiction Supernatural fiction or supernaturalist fiction is a genre of literary and media fiction exploiting or requiring as plot devices or themes some contradictions of the commonplace natural world and materialist assumptions about it. It is a genre of speculative fiction.