Get ready for your new obsession - the unputdownable thriller from the award-winning, No.1 Sunday Times bestselling author, Andrea Mara. Two missing girls. One murder. Is your daughter the victim... or the killer?

Two best friends. One murder. The truth could unravel everything...

The gripping new thriller from the No.1 Sunday Times bestselling author of All Her Fault and No One Saw a Thing.

'Andrea Mara is fantastic!' Freida McFadden
'Impossible to put down.' Patricia Cornwell
'Andrea's best book yet.' Liz Nugent

Have you seen the girls?

The morning after a glamorous, luxury wedding, best friends Siobhan and Grace go to wake their twenty-four-year-old daughters. Opening the door to their shared room, they find a smashed lamp, an abandoned phone and blood on the carpet.

Over the next few days, the truth unravels, testing Siobhan and Grace's friendship to its limits. As secrets and lies begin to come to light, they realise that the girls were not best friends. In fact, they weren't really friends at all. And now, it looks like one of them is dead. And one of them is a killer.

But whose daughter is guilty of murder?

'The thing is, we always believe the best of our own kids. What mother thinks her own daughter will do something terrible? But every bad deed is carried out by a person who was once someone's child.'

Everyone is talking about Such a Nice Girl-'Wow, this blew me away!' Claire Douglas

'An all-round stunning thriller from the queen of the tangled web.' Janice Hallett, bestselling author of The Appeal

'A masterclass in twists and turns.' John Marrs, bestselling author of You Killed Me First

'Andrea Mara is one of a kind.' Jack Jordan, bestselling author of Do No Harm

'Fast-paced, compelling, twisty and utterly absorbing... Andrea Mara is a genius storyteller.' Jane Casey, bestselling author of The Secret Room

'Twisty and so full of secrets that you'll be dying to discover the truth! Shari Lapena, bestselling author of The Couple Next Door