What's the link between a circle of wizards killed in the Second World War, a homicidal car and an ancient ducking stool used to torture young girls? London cops Peter Grant and his boss, Inspector Nightingale, are in a race to find out before more people die!
• Written by Doctor Who writer Ben Aaronovitch (Remembrance of the Daleks) and set in the world of his own bestselling novels, with Doctor Who showrunner Andrew Cartmel!
• Rivers of London novels have sold over 1,000,000 copies worldwide to date!
• In continuity with the novels - not an adaptation, this is an all-new story set between books 4 and 5!