Death at morning house

"The fire wasn't Marlowe Wexler's fault. Dates should be hot, but not hot enough to warrant literal firefighters. Akilah, the girl Marlowe has been in love with for years, will never go out with her again. No one dates an accidental arsonist. With her house-sitting career up in flames, it seems the universe owes Marlowe a new summer job, and that's how she ends up at Morning House, a mansion built on an island in the 1920s and abandoned shortly t...