Calling all fans of Stuart MacBride, James Oswald and Ian Rankin

This blood-curdling and hypnotically tense thriller from the pen of prizewinning and bestselling author Craig Russell with its devilishly cunning plot and mind-blowing maze of twists and turns is perfect for you.

''This splendid thriller...The story races along with pace and verve'' -- Daily Express

''Very well written and a page-turner!........Craig Russell never lets his many fans down'' -- ***** Reader review

''One of the most disturbing but addictive reads I had for a long time'' -- ***** Reader review

''Really gripping yarn with twists and turns along the way'' -- ***** Reader review

''Fabel is in fine form and the plot is wonderfully twisted. A must for lovers of good crime novels'' -- ***** Reader review

''Gripping'' -- ***** Reader review

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ONE ASSASSIN. ONE SERIAL KILLER. TWO ANGELS OF DEATH.

After a gap of ten years, a female serial killer - the Angel of St Pauli - again makes the headlines when an English pop star is found in Hamburg's red-light district, dying of the most savage knife wounds. Jan Fabel is called in to investigate.

Links emerge with a series of apparently unrelated events. A journalist murdered in Norway. The death of a Serbian gangster. And a long-forgotten project by East Germany's Stasi conceived at the height of the Cold War, involving a highly-trained group of female assassins, known by the codename Valkyrie.

Fabel's hunt for the truth will bring him up against the most terrifyingly efficient professional killer. The ultimate avenging angel.