A beautiful woman hires an intrepid adventurer to help find her father, who has disappeared in the jungle while searching for a rare and priceless butterfly. Along the way they run into cannibals, a race of Amazon warriors and all the usual attractions one would expect to find in a lost jungle.

England, 1763. After being convicted of a crime, the young and beautiful Abigail Hale agrees, to escape the gallows, to serve fourteen years as a slave in the colony of Virginia, whose inhabitants begin to hear and fear the sinister song of the threatening drums of war that resound in the wild Ohio valley.

Professor Campbell's expedition into the hills of Libya obtains a papyrus which might reveal the hiding place of the Golden Tablets of Hippocrates, containing lost medical secrets. Also in the region is intrepid Nyoka Gordon, still seeking her father, lost on a previous expedition. She alone can translate the papyrus, which directs our heroes through deadly perils (including the Tunnel of Bubbling Death) into the land of the Tuaregs. Opposing them are Vultura, Queen of the Desert, and her Arab ally Cassib, both greedy for the treasure...

Alan Richards is the sole survivor of a pearling lugger which has been shipwrecked on Pakema Reef during a typhoon. He sets out to recover some pearls which went missing in the wreck, crossing through the jungle and fighting headhunters.

Greedy oil speculators, led by Morgan, are trying to force Tiger Woman and her band of warriors from their jungle home. Allen Saunders of Inter-Ocean Oil wants to develop the oil, too, but fights with Tiger Woman to stop the bad guys.

A pet steer, Sancho, is awkward to keep when it is full grown at the rancho, and he almost ruins a cattle drive. Sancho heads off toward home by himself, a journey of 1,200 miles, finding many obstacles along the way.