Shadows from Norwood

Author David Hambling has transplanted HP Lovecraft's horror mythos from New England to SE19 in his collection  'Shadows from Norwood'. The seven stories features local landmarks including the Crystal Palace ('The Monsters in the Park') and the underground River Effra ('Two Fingers'). Inevitably there's a story called the Dulwich Horror of 1927 ('The Dunwich Horror' ...