What would you do? Discover the enthralling story of secrets, family, and the danger of the truth from the bestselling author HBO sensation BIG LITTLE LIES

"Another MASTERCLASS from the author of Big Little Lies" - GRAZIA

Cecilia discovers an old envelope in the attic.

Written in her husband John-Paul's hand, it says: 'to be opened only in the event of my death'.

Curious, she opens it - and time stops.

John-Paul's letter confesses to a terrible mistake which, if revealed, would wreck their family as well as the lives of others . . .

Cecilia wants to do the right thing, but right for who?

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 .

"Moriarty writes vividly, wittily and wickedly" - Sunday Express

"Mistress of the razor-sharp observation" - Kate Morton

"An extraordinary talent" - Nicole Kidman

"Keeps you guessing to the very end - perfect summer read" - Reese Witherspoon

"Gripping, acutely observed, thought-provoking and funny" - Marie Claire

"Every single one of her books is a great read" - E! Online

"The Husband's Secret is a staggeringly brilliant novel. It is literally unputdownable" - Sophie Hannah

"The story is cleverly plotted, full of suspense and so well-written that it pulls you in from the first page" - Sunday Mirror

"If you like Jodi Picoult, you'll love this addictive new book" - Essentials

"Dark and compelling, this is a must read" - Sun

"The writing is beautiful: sometimes funny, sometimes sad but always compelling" - Good Housekeeping

"This is such a clever idea. This is powerful, moving and gripping stuff" - Star Magazine

"It's a tense, page-turning story which gradually draws everyone together in a devastating climax. The writing is insightful on the subjects of families and friends, parents and children, husbands and wives. But what makes this a great read are the agonising dilemmas the characters face over blame and guilt, forgiveness and retribution, love and betrayal" - The Mail on Sunday, You Magazine

"The book's finely-wrought tension holds up until the final page" - The Telegraph