Duke in the Suburbs

The Duke de Montvillier and George Hankey, who discovered silver in Los Madges, have moved into Kymott Crescent. Alicia Terrill, widow and relation of Sir Harry Tanner, finds the Duke a distinctly unpleasant neighbour. Sir Harry''s son is sent to intervene. Unannounced, Sir Harry arrives with a stranger. ''The coming of Big Bill Slewer, ripe for murder and with the hatred he had accumulated during his five years'' imprisonment'', has played splendidly into his hands. (Goodreads)