(2023) It's a YA fantasy about a siren finding her way in a walled city where sirens are outlawed. Saoirse uses her magical man-killing powers as a freelance assassin, but then gets a job as the prince's bodyguard. Which gets awkward when she has to investigate a murder she herself committed. And more awkward when she falls in love. It's a little too YA for me (The angst! The super special specialness! The luuurve!) but others have loved it.