Rosemary Hennigan is an Irish author and former solicitor. She is also a director of the Irish Writers Centre. Her debut novel The Truth Will Out was longlisted for the Crime Writers' Association John Creasy (New Blood) Dagger award in 2023. Her second novel, The Favourite, was published in North America as The Favorites in November 2023. Her next book, The Hotel Guest, is forthcoming in April 2026 with Park Row Books (North America) and Hachette Ireland (Ireland/UK). Rosemary lives in Dublin with her husband and a lot of books. You can find her on Instagram (@rosiehennigan) and Tiktok (@rosemaryhennigan).