Leïla Slimani is a Franco-Moroccan writer and journalist. In 2016 she was awarded the Prix Goncourt for her novel Chanson douce. The Prix Goncourt is a prize in French literature, given by the académie Goncourt to the author of "the best and most imaginative prose work of the year".
Lullaby is Slimani's second novel, and was the first to be translated into English. By January 2018 it had been translated into 18 languages, with intentions for a further Originally titled Chanson douce, it was translated as Lullaby for the UK and The Perfect Nanny' in the USA. It sold 600,000 copies in France in its first year of publication.