"Extraordinary" -- Simon Mayo Radio 2 Book Club.
"Ridiculously gripping straight from the start" -- Jenny Colgan
"Will thrill and delight ... a terrifically well-observed, haunting and occasionally harrowing read" Starburst
"... what sets this novel apart is Walker's extraordinary emotional articulacy" The Sun
"A page-turning thriller with a pace as relentless as the characters' feet hitting the pavement. A deft look into the mind of a man who needs the near-destruction of the world to show him what truly matters" -- Laura Lam author of False Hearts