Here are the possible solutions for author whose books feature witches and vampires clue
Answer
Clue
Relevancy
annerice
Clue
Author whose books feature witches and vampires
muggles
Clue
Neither wizards nor witches, in Harry Potter books
Definition
MUGGLE, (in fantasy fiction) a person who does not possess supernatural powers
isaacasimov
Clue
Science fiction author whose books were classified in 9 of the 10 major categories in the Dewey Decimal system
shermanalexie
Clue
Author whose "The Absolutely True Diary of a Part-Time Indian" topped the American Library Association's "Ten Most Frequently Challenged Books of 2014" list
anne
Clue
Rice who has written about werewolves, mummies and vampires