← The Engineer's Peril
The Mysterious Cipher
Ang Aswang
Speed Versus Death
The Skull
The Brown Wallet
The Haunted Station
Tapped Wires
The Broken Wire
The Peril of the Rails
The Perilous Swing
The Switchman's Story
The Girl Telegrapher's Nerve
A Race for a Life
At the Risk of Her Life
When Seconds Count
The Trail of Danger
The Spiked Switch
A Race Through the Air
The Engineer's Honor
The Wrecked Station
