The Readmill app shows how in future readers will be able to share their marginalia with others – and authors. But will corporate moneymaking come to dominate, asks Damien Walters
This terrifying American thriller about two teenagers abducted and held in a cellar for years has chilling echoes of real-life events, finds Alison Flood
Laura Wilson on The Execution of Noa P Singleton by Elizabeth L Silver, The Silent Wife by ASA Harrison, The Red Road by Denise Mina, Snow White Must Die by Nele Neuhaus and The Norfolk Mystery by Ian Sansom
David Barnett: It's been a quarter of a century since Thomas Harris's cultured cannibal exploded on the thriller scene, winning fictional killers a place in our hearts for ever