Everything changed the night Flora Powell disappeared.

Heather and Jess were best friends - until the night Heather's sister vanished.

Jess has never forgiven herself for the lie she told that night. Nor has Heather.

But now Heather is accused of an awful crime.

And Jess is forced to return to the sleepy seaside town where they grew up, to ask the question she's avoided for so long:

What really happened the night Flora disappeared?

'Amazing. A twisty whydunnit that I finished in just two days. Smart, gripping and atmospheric, readers will love Then She Vanishes' Gillian McAllister, bestselling author of The Evidence Against You

'A gripping page turner' Jane Fallon, bestselling author of Faking Friends

'Dark, clever and compelling. A brilliant book!' Nicola Moriarty, author of The Ex