Arthur B. Reeve

15-Chapter Serial about a scientist that discovers a formula for making synthetic gold and the people that want it.

During a dinner party at the Brookfield family estate, private detective Craig Kennedy relates a story of one of his unsolved murder cases. What Kennedy knows, and the other guests do not, is that the person who was the killer in the unsolved mystery is in the room, and Kennedy makes plans to expose him.

An inventor adds new innovations to an air company's planes, prompting the owners of a rival company to set out to steal them. The stakes are sky-high as an airman and an aviatrix find themselves in constant peril, both on earth and above the clouds.

A murderous gang of mysterious creepy killers mark a young heiress for death. They are led by a ghostly voice known only as the "The Mystery Mind."

Inventor Harry Harper (Harry Houdini) travels to the South Seas, where there is buried treasure belonging to a girl, Beverly West (Lila Lee). Naturally, others are after the loot, and Beverly's father (Fred Turner) is being held captive by cannibals until she returns to them with a pearl that belongs to one of their idols. The climax consists of Harper saving Beverly from a safe which has been lowered into the sea.

A cult of Hindu tiger worshippers and a gang of Western outlaws try to cheat a young woman out of rich mines that belong to her.

In this action-packed serial, government agent Quentin Locke infiltrates a corrupt patents company, only to run into the gleaming terror of its robot protector, the Automaton. In order to save the beautiful Eva Brent and find a cure for the dreaded Madagascar Madness, Locke suffers an inhuman array of tortures and physical restraints. He is chained, tied with barbed wire, padlocked in a crate and thrown in the water, tied beneath a descending elevator, strapped to an electric chair, and bound in an elaborate Oriental torture chamber.

A young heiress of an American gun factory is threatened by a masked man after her father was murdered. This criminal might be a member of her family or a German agent, who wants to get information about the factory's products, perhaps his mystery has a combined solution - we will probably never know...

The heroine had little time for romancing newspaper reporter Walter Jameson, what with Doctor X, alias Marcus Del Mar, threatening American democracy in general and master detective Craig Kennedy's designs for a new torpedo in particular. Whenever Doctor X has Elaine or Jameson in his grasp, they are inevitably saved in the nick of time by a mystery figure garbed in black.

A silent action movie serial.

Elaine Dodge is the beautiful young daughter of Taylor Dodge, president of the Consolidated Insurance Company. When Mr Dodge is murdered by a mysterious cloaked figure known only as the Clutching Hand, Elaine enlists the aid of Craig Kennedy to unmask the killer