Mystery of the Riverboat

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...

Japanese spies attempt to subvert America's war effort; G-Men attempt to thwart their plot.

Professor Campbell's expedition into the hills of Libya obtains a papyrus which might reveal the hiding place of the Golden Tablets of Hippocrates,...

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

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

Lieutenant Commander John Byrne of the Naval Secret Service and his partner Pvt. Bill Riggers chase criminal Dr. Sin Fang, who is desperate to find a...

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...

Eddie King goes up against a villainous circus owner in this action adventure which was directed by genre specialist J.P. McGowan and released in 18...

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...

Richard Grant, imprisoned in India for a crime he did not commit, escapes and makes his way to Africa.

The Wrecker wrecks trains on the L & R Railroad. One of his victims is Larry Baker's father. Baker wants to find the evildoer, among a host of...