From the million-selling Rivers of London novel and graphic novel series by cult writer Ben Aaronovitch comes an all-new tale of supernatural suspense and good-old-fashioned London policing!Peter Grant is a cop and part-time wizard investigating London’s ‘Falcon’ crimes – those that are outside the realms of normal criminal investigations – and more into the realms of trolls under bridges, cursed crime scenes, and the ghosts of monsters past.Peter never saw himself in pest control – but that’s exactly where he finds himself when a killer, sentient, living fungus goes on a rampage of revenge using its victims’ worst fears against them. An all-new and original Rivers of London comic series, written by Ben Aaronovitch and Andrew Cartmel! Set between ‘Foxglove Summer’ and ‘The Hanging Tree’.Collects Rivers of London: Black Mould #1-5.