The Daily Clarion hires detective story writer Steve Colt to investigate the deaths of a group of scientists working on an atomic rocket development project. Behind the killings is fortune teller Sombra, a spy from an Asian country intent on world domination, who is determined to pilfer the atomic rocket by luring workers from the project to her parlor and killing them with black widow spider venom when they refuse to cooperate.
Man-woman team of investigators uncover a gang whose mad scientist leader has developed an invisibil...
An accomplished aviator sets out to locate treasure hidden by one of his ancestors. He encounters i...
A newspaper publisher and his Korean servant fight crime as vigilantes who pose as a notorious maske...
A new town doctor arrives at the same time as local Indians needprotection from troublemaking looter...
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.
Government agents work to interfere with schemes to trick the Comanches into war with the Texans.
Before the outbreak of WWII, Nazi sympathizers plot to undermine America.
A movie serial in 13 chapters: Some swampland becomes valuable, and various factions squabble over ...
Tom King Jr. seeks to discover who murdered his father, a Texas Ranger; the trail leads to a network...
A Secret Service agent seeks his missing brother in Africa, and finds his mission complicated by ivo...
A bunch of waterfront youths pursue the Sea Raiders, a gang of saboteurs.
Calvin Drake employs a group of low-lifes to drive away land owners along the path of a new railroad...
A famous scientist invents a humanoid robot (the titular "monster"), so a greedy rival scientist pla...
Prospector Henry Tolliver disappears and his son "Wild Bill" Tolliver comes looking for him.
A movie serial in 12 chapters: The famous comic strip character is on a mission to protect a secret...
The mysterious Don Del Oro ("Lord of Gold"), an idol of the Yaqui Indians, plans to take over the go...
A police detective is caught up in a plot to steal two million dollars in bonds.
Part of the artificial-creature series encompassing Der Golem (1914 and 1920), Alraune (1918, 1928, ...