The Continental Op was his great first contribution to the genre and these seven stories, which first appeared in the magazine Black Mask, are the best examples of Hammett's early writing, in which his formidable literary and moral imagination is already operating at full strength. The Continental Op is the dispassionate fat man working for the Continental Detective Agency, modelled on the Pinkerton Agency, whose only interest is in doing his job in a world of violence, passion, desperate action and great excitement.The tenth clew.--The golden horseshoe.--The house in Turk Street.--The girl with the silver eyes.--The whosis kid.--The main death.--The farewell murder.

    He took murder out of the Venetian vase and dropped it into the alley. He was spare, frugal, hard-boiled, but he did over and over again what only the best writers can ever do at all. He wrote scenes that seemed never to have been written before - Raymond ChandlerNot just the first of a tough school of crime-writing but the best... Hammett had seen the rotten underbelly of his country and wanted others to see it - The TimesHammett's is the America of Prohibition days and over all is the stink of corruption and cordite and hard liquor - Oxford TimesNobody else ever did it quite like this, and no one has ever done it since - The Times Literary SupplementCover illustration by Nancy Slomins

    But Miss Wonderley is in fact the beautiful and treacherous Brigid O'Shaughnessy, and when Spade's partner Miles Archer is shot while on Thursby's trail, Spade finds himself both hunter and hunted: can he track down the jewel-encrusted bird, a treasure worth killing for, before the Fat Man finds him?