Tim Tyler's Luck

As a child living in Africa, Jill Young saw her mother killed while protecting wild gorillas from poachers led by Andrei Strasser. Now an adult, Jill cares for an orphaned gorilla named Joe - who, due to a genetic anomaly, is 15 feet tall. When Gregg O'Hara arrives from California and sees the animal, he convinces Jill that Joe would be safest at his wildlife refuge. But Strasser follows them to the U.S., intent on capturing Joe for himself.

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.

A police detective is caught up in a plot to steal two million dollars in bonds.

An accomplished aviator sets out to locate treasure hidden by one of his ancestors. He encounters interference from various adversaries.

Greedy traders have kidnapped a researcher, hoping he will reveal the location of a treasure in a hidden village. Family and friends of the researcher come looking for him. Adventure ensues.

Congo Bill is hired to locate an heiress lost somewhere in Africa.

Four youthful cadets are implicated in a series of murders, and must attempt to clear themselves of suspicion.

After a spectacular crash-landing on an uncharted planet, brash astronaut Leo Davidson finds himself trapped in a savage world where talking apes dominate the human race. Desperate to find a way home, Leo must evade the invincible gorilla army led by Ruthless General Thade.

Astronaut Taylor crash lands on a distant planet ruled by apes who use a primitive race of humans for experimentation and sport. Soon Taylor finds himself among the hunted, his life in the hands of a benevolent chimpanzee scientist.

A newspaper publisher and his Korean servant fight crime as vigilantes who pose as a notorious masked gangster and his aide.

The obsessive scientist Dr. Miller is working on a matter-transmitter invention called the Paratron; a conspiratorial team of spies and no-goods pursue him to Alaska, trying to steal the device.