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ebon mask, or, The mysterious guardian
The end of Wild Ivan
The floating gold mine, or, Adrift in an unknown sea
The frontier detective, or, Sierra Sam's scheme
The ghost of Gorgon's Gulch
The girl sport, or, Jumbo Joe's disguise
The girl wife, or, The true and the false
The golden idol of Mount Rosa
The haunted hut, or, The ghosts of Rocky Gulch
The headless horsemen
The hermit of Cascade City
The houseboat boys, or, Stirring adventures in the Northwest
The iron grays, or, The boy riders of the Rapidan
The Iron Spirit, or, The mystery of the Plains
Jimtown sport, or, Gypsy Jack in Colorado, a story of Durango
The knight of the gulch
The league of twelve
little heiress, or, Under a cloud
The maniac engineer, or, A life's mystery
The masked bride, or, Will she marry him?
The masked terror
The merry ten, or, The shadows of a social club
The miner sport, or, Sugar-coated Sam's claim
The path to good luck, or, The boy miner of Death Valley
The phantom fireman, or, The mystery of Mark Howland's life