I can’t give you a reliable twist for *Nineteen Quiet Rooms* by Ottilie Marsh—I can’t verify that as a real published book, and I don’t want to invent a spoiler for book club. It may be a fake/placeholder title, a working title, or a very obscure/indie book.

For tomorrow, best move: be honest that you didn’t finish, mention one scene or character you did read, and ask what everyone made of the ending. If you paste the blurb or describe the last part you read, I can help you reconstruct what likely happened and how to bluff your way through the discussion.