A serial in 12 chapters. Tarzan goes to Guatemala to find his lost friend, D'Arnot. On the way he helps Major Matling search Mayan ruins for hidden...

A mad scientist named Dr. Satan plots to steal key pieces of technology to enable him to build an army of robots based on his prototype to conquer...

Rosalind Joy is a constantly imperiled heiress to a fortune in gold. An 18 part adventure serial

The Timber Queen follows Ruth Rowland as the inheritor of a wealthy timber business who tries to stay independent of a cruel man who wants to marry...

A train that is carrying the formula for a valuable form of granulated gasoline disappears before it reaches its destination. Railroad investigators...

A beautiful young woman is a daring master thief. She meets the young millionaire Thomas Babbington Norton, while fleeing from the scene of her...

Madge Clayton, a society girl, mysteriously disappears. The police suspect a master criminal is behind the girl's abduction, but her brother, Bob,...

A lady reporter and two college students search for the "Gold Special," a train that disappeared without a trace.

A villain named Marlof attempts to set up secret missile bases inside Canada so he can launch missiles at the U.S. The Canadian Mounted Police...

Crooks discover a Genghis Khan treasure ship on the Canada-Alaska border but the treasure is hidden somewhere on land. In their efforts to find the...

The female leader of an international crime ring steals a valuable artifact that can give her the power to control men's minds. Federal agents are...

Japanese master spy Daka operates a covert espionage-sabotage organization located in Gotham City's now-deserted Little Tokyo, which turns American...

Henry Hart meets a superfan—eager to fight crime with Kid Danger—who comes into possession of a device that can open up alternate...

A rebellious teenage princess discovers she has superhuman abilities and joins a secret society of extraordinary second-born royals tasked with...

If one man changes his path, will he be able to change his destiny...or will he only delay the inevitable? Ryu and Ken are two traditional warriors...

Good-natured teen surfer Mitchell Goosen finds himself staying with his aunt and uncle in Cincinnati, Ohio when his parents head to Australia for...

Disaster strikes when a criminal mastermind reveals the identities of all active undercover agents in Britain. The secret service can now rely on...

Jack Hunter, an adventurous treasure seeker, goes to Syria after his mentor and father figure Professor Fredrick Shaffer is killed. Professor...

Posing as hunters, a group of terrorists are in search of $100 million that was stolen and lost in a plane crash en route from Afghanistan.

Despite trying to keep his swashbuckling to a minimum, a threat to California's pending statehood causes the adventure-loving Don Alejandro de la...

When scientists use eco-terrorism to impose their will on the world by affecting extremes in the weather, Intelligence Chief Cramden calls in top...

Intent on winning a competition in place of her distinguished late father, beautiful young heiress Dale takes on the guise of a man and competes in...

A cross-country road race is based on an actual event, the Cannonball Baker Sea to Shining Sea Memorial Trophy Dash, organized by Brock Yates to...