The Vows of Silence - Discover book 4 in the bestselling Simon Serrailler series

''Serrailler, Hill''s brilliant detective, is the central character in the great writer''s crime fiction novels'' CAMILLA, DUCHESS OF CORNWALL

A gunman is terrorising young women.

What links these seemingly random murders? Is the marksman with a rifle the same person as the killer with a handgun? Or do the police have two snipers on their hands?

Detective Chief Superintendent Simon Serrailler is in charge of the case, but is struggling to cope with a tragedy at the heart of his family.

The pressure is mounting...

''A captivating read'' Observer

Discover the bestselling crime series that over ONE MILLION readers have devoured.