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Simillar with The Mystery of the Double Cross

The Fortieth DoorThe Fortieth Door
Don Winslow of the NavyDon Winslow of the Navy
King of the CongoKing of the Congo
Jungle Drums of AfricaJungle Drums of Africa
Who Will Marry Mary?Who Will Marry Mary?
The Hidden HandThe Hidden Hand
Trader Tom of the China SeasTrader Tom of the China Seas
Darkest AfricaDarkest Africa
Flash GordonFlash Gordon
Jack ArmstrongJack Armstrong
Arsène Lupin versus Sherlock HolmesArsène Lupin versus Sherlock Holmes
The Diamond from the SkyThe Diamond from the Sky
The Great Radium MysteryThe Great Radium Mystery
The Woman in the WebThe Woman in the Web
The Amazing Exploits of the Clutching HandThe Amazing Exploits of the Clutching Hand
King of the CarnivalKing of the Carnival
The Crimson GhostThe Crimson Ghost
The Blue FoxThe Blue Fox
The Secret CodeThe Secret Code
The Adventures of Frank MerriwellThe Adventures of Frank Merriwell