Cowboy and the Prizefighter

Red Ryder KO's a fight racket with sidekick Little Beaver (Little Brown Jug) and a new friend.

Mysterious Island

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 finally lands on a mysterious volcanic island with very unusual inhabitants. Also landing, in a better aircraft, is Rulu, a visitor from Mercury. She seeks a radio-active material that will enable her to manufacture an explosive that will destroy the world or, at least, the portion known as Earth in this 15 Chapter Serial from the 1950s.

Hurricane Island

Ponce de Leon searches for the Fountain of Youth, but it's not an easy quest, thanks to bad weather, a treacherous lady pirate, warring Florida tribesmen, and a ship's cargo of man-hungry, marriage-minded maidens.