'The Heavens Are Stained With the Blood of Men, As the Valkyries Sing Their Song.' Njal's Saga Jan Fabel is a Troubled Man. His Relationships With the Women in His Life Are Becoming Increasingly Complicated His Partner, Susanne, is Looking for a Deeper Commitment. His Daughter is Considering Joining the Police and His Ex-Wife Holds Him Responsible. If That Weren't Enough, 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. 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 Ul