A body entombed in a London tube station. DCI Grant Foster is called in to investigate, but within days a second corpse is discovered in the bowels of a disused underground ‘ghost’ station. With the possibility of the murders being linked, Foster enlists the help of his friend, genealogist Nigel Barnes. Between them, they try to untangle the twisted secrets of the past, buried deep beneath London’s streets – where no one can hear you scream, and the murderer is closing in on his next victim . Includes an extract from The Blood Detective, the first book in the Blood Detective series.