Hidden Dangers

Millionaire Joshua Barker insists that his daughter, Faith, must marry Phil Langhorne, a man that neither likes, and Faith is in love with and eager...

Amateur criminologist is hired by the Secret Service to track down airplane thieves, who then kidnap his ex-fiancée, leading to a daring...

Hajj, a rascally beggar on the periphery of the court of Baghdad, schemes to marry his daughter to royalty and to win the heart of the queen of the...

A racing driver eludes kidnappers in time to win a race.

A meeting of Saxonian secret service heads in the Bergenschloss is called to discuss the fate of one of their agents who failed a mission in a South...

The 15 chapter story involves the heroine being protected by a shadow with burning eyes. There's also a cloak of invisibility, some hypnotism and a...

King of the Candian riding police is up against Japs and Nazis who are about to invade Canada. They just want to clear the way with a new futuristic...

A boxer saves a girl from a noble kidnapper.

Elmo Lincoln is a rugged jungle hero safeguarding a vulnerable heroine. They faced escalating perils in the untamed wilderness, including rampaging...

Blake, fireman of a light engine, receives a message that his wife is dangerously ill. Benton, his engineer, allows Blake to catch an eastbound...

In the mythical kingdom of Lyria, two young Americans get mixed up in a plot to get rid of the rightful king, who at times loses his reason.

When the unscrupulous Carlos Manning discovers that an old Spanish land grant recently unearthed will leave a huge section of California real estate...