The Secret Passage
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The Green Mummy
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The Solitary Farm
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The Opal Serpent
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The Pagan's Cup
·
Red Money
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The Mystery of a Hansom Cab
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A Coin of Edward VII / A Detective Story
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Madame Midas
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The Bishop's Secret
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The Mandarin's Fan
·
A Son of Perdition
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The Silent House
·
The Third Volume
·
For the Defence
·
The Harlequin Opal: A Romance. Volume 3 of 3
·
The Red Window
·
The Harlequin Opal: A Romance. Volume 2 of 3
·
The Harlequin Opal: A Romance. Volume 1 of 3
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