Secret Service, Old and Young King Brady, Detectives
Published by Frank Tousey and Harry E. Wolff, January 27, 1899-May 22, 1925.
Format: nickel weekly.
Publisher's description: "Who has not heard of ‘Old King Brady,’ the celebrated detective, who has unraveled more mysteries than any sleuth ever heard of? In the stories to be published in SECRET SERVICE, he will be assisted by a young man known as 'Young King Brady,' whose only aim in life is to exceed 'Old King Brady' in working up dangerous cases and running the criminals to earth. How well he does so will be fully explained in the following stories published in SECRET SERVICE."
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The Black Band; or, The two King Bradys against a hard gang
Francis Worcester Doughty and New York Detective
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The Bradys after a million, or, Their chase to save an heiress
Francis Worcester Doughty and New York Detective
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The Bradys' great bluff, or, A bunco game that failed to work : an entrancing detective narrative
Francis Worcester Doughty and New York Detective
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The Bradys' hard fight, or, After the Pullman car crooks : a detective story of pluck and peril
Francis Worcester Doughty and New York Detective
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The maniac doctor, or, Old and Young King Brady in peril : a story of strange detective experience
Francis Worcester Doughty and New York Detective
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Told by the ticker, or, The two King Bradys on a Wall Street case : an up-to-date detective story
Francis Worcester Doughty and New York Detective