A girl goes missing in the heart of London. A mutilated body is pulled from the Thames. A mysterious house hides dark secrets, protected by the greatest power in the land. When her daughter Katie vanishes just a few days after arriving in London, Winifred Wren immediately heads to the city. Frantic with worry, she quickly finds herself stonewalled. Katie's apartment appears to have been ransacked, with strange symbols daubed all over the walls, but the police refuse to help. And then Winifred meets Annabelle Churchill, a down-on-her-luck journalist who claims to know the truth. Soon, Winifred learns about the horrors that lurk behind some of London's doors. A mysterious house is said to hide an ancient society, and it quickly becomes apparent that Katie has been drawn into the clutches of a cult. Dark forces are gathering, and an ancient evil is about to be invoked. Meanwhile, the crows and ravens of the city are gathering, preparing for a day that was prophesied two thousand years ago. The Disappearance of Katie Wren is a horror novel about one woman's search for her daughter, and about the secrets that lurk in one of the world's largest cities.