You've known her all your life...or have you? The bestselling paperback sensation moves into hardback

Tasha and her sister Alice couldn't be more different, but they'd trust each other with their life.
So when Tasha and husband Aaron want a break and Alice offers to stay in their home with the kids, Tasha knows they're in safe hands.
But she couldn't be more wrong. She receives a call- Alice and her husband Kyle have been attacked.
Rushing to Alice's bedside, Tasha finds the police trying to piece events together.
Then the note arrives, addressed to Tasha-
It was supposed to be you . . .