The Shadow

Adventures of an American Secret Service-girl in search of an important German secret during the war. Chapters: [1] “The Great Secret,”;...

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...

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...

It is 1865 and Union prisoners use a military balloon to escape a Southern prison camp near the end of the Civil War. The balloon drifts for days and...

An evil scientist invents a earthquake machine and plots to take over the world from his base in Africa.

Fireman Bob Darrow invents an original chemical fire extinguisher, and his rival, Dan Mitchell, for June Madison, also has his eyes on Bob's...

A mad scientist attempts to rule the world by creating various elaborate inventions.

When a bank executive disappears, he is accused of stealing a fortune from the bank. But his daughter and her criminologist friend set out to find...

The manager of The Big Circus plots to marry the owner's daughter and gain control of the outfit.

Hop Harrigan, a top Air Corps pilot, leaves the military and he and his mechanic, Tank Tinker, open up a small charter air service. They are hired to...

A Canadian Mountie and a young girl team up to prevent an evil couple from finding a fallen meteorite that contains a powerful element called...

Carter Holmes, master criminologist, must help the oft-kidnapped Ruth Stanhope to find the 9 daggers that will unlock the secret of the cursed...