Jerry Blake (aka Federal Operator 99) teams-up with Joyce Kingston to thwart the plans of escaped crime boss Jim Belmont.
A bunch of waterfront youths pursue the Sea Raiders, a gang of saboteurs.
An expedition arrives on an uncharted jungle island to rescue the local natives, led by a jungle boy...
Escaped Prisoner 39013 impersonates the rich and influential Horace Granville, allowing him to creat...
Prospector Henry Tolliver disappears and his son "Wild Bill" Tolliver comes looking for him.
Prior to the United States' involvement in World War II, the masked vigilante Spy Smasher fights Naz...
Kit Cardigan seeks the killer of his father...among other plot threads leading up to the famous hist...
Mystery and adventure, surrounding a stolen rubber harvest.
Pulp hero "The Spider" seeks to destroy all criminals. In this serialized adventure, he battles The...
Mandrake and his team attempt to prevent "The Wasp" from stealing and using a new Radium invention.
A Secret Service agent seeks his missing brother in Africa, and finds his mission complicated by ivo...
A new town doctor arrives at the same time as local Indians needprotection from troublemaking looter...
The Phantom Rider helps Mary Grayson thwart a plot to steal her land.
The story of a boy, a dog, and a man. The boy discovers he is heir to a shipping line, and travels...
Sergeant MacLane of the Mounties investigates the disruptive activities of a bunch of troublemakers.
An Indian rug is the key to the location of a lost treasure. When the rug's owner is murdered, it b...
The obsessive scientist Dr. Miller is working on a matter-transmitter invention called the Paratron;...
Dusty Bates observes some smuggled jewels hidden in a crate aboard a ship; he is pursued by low-life...
Man-woman team of investigators uncover a gang whose mad scientist leader has developed an invisibil...
Tom King Jr. seeks to discover who murdered his father, a Texas Ranger; the trail leads to a network...
Calvin Drake employs a group of low-lifes to drive away land owners along the path of a new railroad...