The sensational bestselling psychological thriller everyone's talking about.

Alice Jefferson has a new friend. He wants her dead.

He's been in her house while she's been sleeping. He follows her every time she leaves the house. She knows exactly who he is.

The police can find no trace of him having ever existed.

And then she uncovers a shocking secret that turns her entire world upside down, and leaves her unable to trust anybody — even herself.

A gripping psychological thriller that will have fans of Louise Jensen, Mark Edwards and TM Logan absolutely hooked.