Whitechapel, 1888: London is bowed under Jack the Ripper's reign of terror.

London 2015: actress Julianne Bell is abducted in a case similar to the terrible Tower Hamlets murders of some ten years earlier, and harking back to the Ripper killings of a century before.

Falkenberg, Sweden, 2015: a woman's body is found mutilated in a forest, her wounds identical to those of the Tower Hamlets victims.

With the man arrested for the Tower Hamlets crimes already locked up, do the new killings mean he has a dangerous accomplice, or is a copy-cat serial killer on the loose?

Profiler Emily Roy and true-crime writer Alexis Castells again find themselves drawn into an intriguing case, with personal links that turn their world upside down.

Following the highly acclaimed Block 46 and guaranteed to disturb and enthral, Keeper is a breathless thriller from the new queen of French Noir.

'A bold and intelligent read' Laura Wilson, Guardian

'A terrific, original duo' Marcel Berlins, Times

'Gustawsson's writing is so vivid, it's electrifying. Utterly compelling' Peter James

'Bold and audacious' R. J. Ellory

'A real page-turner ... I loved it' Martina Cole