The gripping new thriller from the Sunday Times bestselling phenomenon, VOX 'Shocking, emotive, urgent and original' Chris Whitaker 'A non-stop thrill ride' Jeffery Deaver 'Queen of the "what if" thriller. Unflinching, unguessable and unputdownable' Simon Lelic 'Thrilling, topical and timely ... I ripped through this in a few days' Louise Swanson ...