Overview: Inventor Harry Harper travels to the South Seas, where there is buried treasure belonging to a girl, Beverly West. Naturally, others are after the loot, and Beverly's father is being held captive by cannibals until she returns to them with a pearl that belongs to one of their idols. The climax consists of Harper saving Beverly from a safe which has been lowered into the sea.
Overview: An embellished account of the 1803 expedition by famed frigate U.S.S. Constitution--a.k.a. "Old Ironsides"--against the Barbary pirates then terrorizing American shipping, focusing on the crew and passengers of a fictional merchant ship, The Esther, who fall afoul of the same pirates and thus become involved with the Constitution's mission.