Peter Grant - full-time cop and trainee wizard with London's police force - is investigating why cars are suddenly turning from mild-mannered family saloons into possessed, power-assisted killing machines! Airbags will not save your life! 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'.