I did warn her A novel

A superyacht becomes a crime scene in this diverting thriller from Gilbert (She Started It). Former nurse Sasha has taken a new job on Ophelia, a massive ship chartered for a journey from Gibraltar to New York City by wealthy friends Benjamin Edmonson and Digby Johnson. After the crew is assembled, Sasha--who's withholding the reason she changed careers--notices that the yacht's four other stewardesses look almost exactly like her: "Put us in a lineup and turn us around, and I'm not sure our own mothers could tell us apart." Then Sasha learns that one of her predecessors vanished a year prior, and that the girl's best friend suspected foul play. Gilbert alternates perspectives among Sasha; her supervisor, Jade; and her lookalikes, gradually sowing doubt about the purpose of the journey. Meanwhile, an eerie prologue featuring a female corpse floating in the water hangs over the action, suggesting that someone on the ship is a killer. Gilbert has the mechanics of the locked-room mystery down, and orchestrates the story's familiar parts into a satisfying symphony of tension. It's tough to put down. Agent: Helen Heller, Helen Heller Agency. (June)