The Silent Twin by Caroline Mitchell

What they say:

I’m alone in the dark, please can you find me …

Nine-year-old twins Abigail and Olivia vow never to be parted. But when Abigail goes missing from Blackwater Farm, DS Jennifer Knight must find her before it’s too late.

Twin sister Olivia has been mute since Abigail’s disappearance. But when she whispers in Jennifer’s ear, Jennifer realises it is Abigail’s voice pleading to be found.

A damp and decaying house set in acres of desolate scrubland, the farm is a place of secrets, o...