Black Cat: We haven't seen this square since our first bingo game, back in 2016! Any book that has a black cat in the title, on the cover, or in the story.
“It's a dangerous business, Frodo, going out your door. You step onto the road, and if you don't keep your feet, there's no knowing where you might be swept off to.”
-- J.R.R. Tolkien, The Lord of the Rings