The haunting new thriller from the Sunday Times bestselling author of The Chalk Man.
It arrived in my inbox just over a month ago. Surprising really that it didn't get shunted straight into junk.
'I know what happened to your sister. It's happening again.'
Because when my sister was eight years old, she disappeared. At the time, I thought it was the worst thing that could ever happen.
And then she came back . . .