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Grace Isabel Colbron
5 volumes in the collection.
The Case of the Golden Bullet
Auguste Groner · Grace Isabel Colbron
The Case of the Pool of Blood in the Pastor's Study
Auguste Groner · Grace Isabel Colbron
The Case of the Lamp That Went Out
Auguste Groner · Grace Isabel Colbron
The Case of the Pocket Diary Found in the Snow
Auguste Groner · Grace Isabel Colbron
The Case of the Registered Letter
Auguste Groner · Grace Isabel Colbron