The Mysterious Cipher
J. Gunnis Davis
The Peril of the Rails
The Broken Wire
In Death's Pathway
The Broken Brake
The Treasure Train
The Human Telegram
Danger Ahead!
Defying Death
The Engineer's Honor
The Tramp Telegrapher
The Broken Rail
A Perilous Chance
A Mystery of the Rails
To Save the Road
Chastity
The Governor's Special
The Trouble Shooter
The Race for a Siding
The Midnight Alarm
Adventures in Diplomacy
The Wrong Train Order
The Dynamite Train
In Danger's Path
