*Selected for 2022 previews by the Observer, the Guardian, the Daily Mail, & the Irish Times*'Intriguingly strange' The Bookseller, Editor's ChoiceIn a single moment, in every part of the world, every person with an Y chromosome vanishes: lovers, children, parents - even foetuses from the womb. Jane Pearson wakes on a mountainside the next morning to find her husband and son missing from their tent. Frantic and grieving, she sets out to find the one person she thinks can help - Evangelyne Moreau...