[1] De Vigan wrote her first four novels by night while working at a public opinion firm in Alfortville by day.

[2] Her breakthrough work was No et moi (2007), in which she depicts the life of a young homeless woman from the point of view of a highly gifted thirteen-year-old girl.

[11] In 2018, her novel Les Loyautés (Loyalties) was published, which tells the story of young Theo, who suffers from difficult family circumstances after his parents' divorce.

She thinks back to the couple who rescued her, the child Mishka, from the Nazis at the time, and is increasingly filled with a desire to thank them for it after the fact.

[14][15] In her most recent novel, The Children Are Kings (2022), Vigan uses a detective story to address the lives of child influencers who are marketed to by their mother on YouTube.