Korak the Killer, jungle-raised son of Tarzan of the Apes, sets off into the wilds of the prehistoric world at the Earth’s core to rescue his daughter Suzanne Clayton, who has gone missing in the mysterious Land of Awful Shadow. But when the airship O-220 is hijacked, Korak and his Mangani friend Akut are stranded and must fight their way across the savage lands and seas of Pellucidar. Meanwhile, Korak’s mate Meriem risks everything in a perilous gambit to quickly reach the inner world.

In the wild, unexplored coastal jungles of West Africa lives a wild human boy named Tarzan, the adopted son of a tribe of fierce almost-human anthropoid apes - but in reality, the unknown heir of a wealthy and titled English noble family. Then one day, a small party of American treasure-seekers is marooned on Tarzan's beach, including a lovely Baltimore belle named Jane Porter.

The drums boom forth an incredible message from tribe to tribe—Tarzan, Lord of the Jungle, has become an enemy to all, stealing and enslaving their women…as well as the daughter of an English millionaire, who offers a princely reward for her recapture and Tarzan’s death. Certainly her captor told Sandra Pickerall that he was Tarzan…but he also told her he was God… Tarzan follows their trail with one thought in mind—to pursue and destroy the man who has stolen his name and made it infamous in the jungle world he loves.

Collected here for the first time are six fantastical tales of the Swords of Eternity Super-Arc, the epic cycle that launched the Edgar Rice Burroughs Universe series. At the mercy of spacetime's capricious vagaries, young scientist Victory Harben finds herself hurled across worlds by a mysterious force, while pursued by a ruthless winged entity armed with a flaming sword that consumes souls. Following Victory is inventor Jason Gridley, intent on finding his goddaughter and bringing her home.

Hidden in the far South Pacific lies the lost island continent of Caprona, forgotten by history and time itself. In the year 1836, Sicilian Captain Fausto Caproni and his sister Marina lead a voyage across the raging seas to rediscover the fabled land first sighted by their grandfather—only to plunge into a terrifying tropical world known to its inhabitants as Caspak, thriving with giant carnivorous lizards and bestial tribesmen from the dawn of time.

The burning wreck of a passenger jet with a missing cargo of gold and a desperate plea from a friend lead Tarzan of the Apes deep into intrigue in the jungles of Brazil. Soon the ape-man finds himself facing his most deadly nemesis yet: a criminal mastermind named Vinaro, whose enemies perish in mysterious explosions of gold and flame. But that may be only the beginning of Tarzan's challenges. For if he is to defeat Vinaro, Tarzan must confront him in the legendary golden city of Tucumai, from where no outsider has ever returned.

Tarzan of the Apes, Jason Gridley, and the crew of the airship O-220 return to Pellucidar, the world at the Earth’s core, on a wartime mission to stop the Nazis from obtaining a powerful superweapon. But when the Lord of the Jungle’s murderous adversaries partner with the Mahars - Pellucidar’s routed reptilian overlords - and his adventurous granddaughter Suzanne goes missing on a reconnaissance mission, can Tarzan prevent the conquest and enslavement of all humanity in both the inner and outer worlds?

Born to an ancient line of noble and courageous forebears, Dejah Thoris, young and headstrong princess of the mighty empire of Helium, longs for a life of excitement and purpose beyond the cloistered walls of her royal palace. When a foreign ambassador arrives with an invitation to visit his city-state in hopes of fostering diplomatic relations, the princess defies the protests of her father and jed, traveling to the shadowy metropolis of Zor as Helium’s emissary.

The half-dead American raved of an unknown city…of women warriors ruled by a malignant wizard…of a great diamond, the Gonfal, with strange hypnotic power…of a long-lost English nobleman…of the savage queen who had betrayed her duty and helped him to escape. Tarzan puts little faith into Stanley Wood’s story—until he sees the power of the Gonfal draw the American in spite of himself back into the clutches of the Amazons of Kaji. Then it is that the ape-man becomes once more the implacable hunter.

John Carter is back for another adventure in this classic interplanetary tale of Barsoom from Edgar Rice Burroughs. In an attempt to put an end to a wave of murders carried out by the notorious Assassins Guild, John goes to the Martian city of Zodanga. When he arrives however, he discovers much more than he ever could have imagined.

Tarzan of the Apes had heard only rumors of the Kavuru—a strange, evil tribe said to have long reaped their human prey from among the local natives. But when they stole the daughter of Muviro, chief of the Waziri, the Lord of the Jungle sets out in search of their legend-shrouded village on a mission of rescue—or, if need be, revenge. He does not know that his trail runs close to that of a strange group of survivors of a crashed plane—including his beloved mate, Jane, who must call upon all the skills she has learned from Tarzan to keep herself and her companions alive.

Vor Daj is a member of John Carters personal guard, and is one of the fiercest warriors on Barsoom. As the two fighting men search for Ras Thavas, the brilliant mad scientist, in order to save the life of Dejah Thoris, Princess of Mars, they find themselves captured in a city of grotesque, seemingly unkillable monsters. These abominations have human body parts, but in all the wrong places and the wrong sizes.This unique story in the John Carter of Mars series is the only one that is told from the point of view of Vor Daj, as he sees his adventure with the Warlord of Mars, John Carter.

Stranded on the planet Venus, known as Amtor to its inhabitants, Earthman Carson Napier has faced countless perils to win the hand of the courageous Duare, his beloved princess, and to be bestowed with high honors and the title of prince in the powerful nation of Korva. But when a new threat strikes from out of the skies, Carson discovers his own arrival on the planet years ago may have unknowingly led the mysterious enemy to attack.

The best swordsman of two worlds, John Carter, is about to head off on two more legendary adventures! Once again the Warlord of Mars finds himself and his beloved Dejah Thoris face to face with new perils on Barsoom. He will explore the Ancient City of Korvas, fight hoards of rats, giants, and skeleton men; and ride on the backs of thoats as bravely as ever!

As the steel-clawed Leopard Men look for victims for their savage rites, the secret cult strikes terror into the hearts of all the villagers. Only Orando of the Utengi dares to declare war on them. And with Orando goes Tarzan of the Apes—but a strangely changed Tarzan, who now believes that he is Muzimo, a spirit or demon who was Orando’s ancestor. But there are traitors among Orando’s people. And in the village of the Leopard Men is Kali Bwana, a young American woman who has come to Africa to find a missing man. Only Tarzan can save her...