It quickly turned into a bestseller, with over 76,000 copies printed within three months even before the book was awarded the Prix Goncourt in 2016. It subsequently became the most read book in France that year with over 450,000 copies printed; by the end of 2017 around 600,000 copies had been sold in France. It has been translated into 18 languages, with 17 more to come; the English translation (by Sam Taylor) of her novel was published in 2018 as The Perfect Nanny in the US and as Lullaby in the UK.[4][11] In 2019, Lullaby won a British Book Award in the "Début Book of the Year" category.[12]