'What would you do if you found a letter in the attic, addressed to you, from your husband - to be opened in the event of his death? Another masterclass from the author of Big Little Lies' GRAZIA \n \n _______________ \n \n Mother of three and wife of John-Paul, Cecilia discovers an old envelope in the attic. Written in her husband's hand, it says: to be opened only in the event of my death. \n \n Curious, she opens it - and time stops. \n \n John-Paul's letter confesses to a terrible mistake which, if revealed, would wreck their family as well as the lives of others. \n \n Cecilia wants to do the right thing, but right for who? \n \n If she protects her family by staying silent, the truth will worm through her heart. But if she reveals her husband's secret, she will hurt those she loves most . . . \n \n \n 'A staggeringly brilliant novel. It is literally unputdownable' SOPHIE HANNAH \n \n 'If you like Jodi Picoult, you'll love this addictive new book' ESSENTIALS \n \n 'A tense, page-turning story which gradually draws everyone together in a devastating climax' MAIL ON SUNDAY \n