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 'Broken Homes' and 'Foxglove Summer'.