George Douglas

When an abused socialite grows to giant size because of an alien encounter and an aborted murder attempt, she goes after her cheating husband with revenge on her mind.

American botanical expedition in the Himalayas stumbles across a Yeti den, capture one and transport it back to Los Angeles, where it escapes while customs officials are debating whether it is animal or human.

A deputy marshal kills a murderer in a town that loved him, and when no one is willing to identify him, he can't collect any reward.

Talbot uses a phony land grant to rule thirteen million acres, taxing everyone heavily and evicting those who won't pay. The Three Mesquiteers becomes mysterious "night riders" to fight this evil.

Foreign agents are smuggling monium (a chemical used in producing poison gas) into Mexico. The three Mesquiteers get involved when they ride to save a girl (really a government agent) on a runaway horse.