Tarzan and the Jewels of Opar is the fifth adventure in the saga of the jungle lord and features both one of the series most celebrated locations, the lost city of Opar, as well as one of its most celebrated characters, the ruthless, obsessed and fatally beautiful La of Opar. Seeking to make off with some of the lost city of Opar's treasures, Tarzan survives an earthquake only to take a blow to the head and be stricken with partial amnesia, leaving...

Cornell University professor Arthur Maxon, who has been experimenting in the creation of artificial life, travels with his daughter Virginia to one of the remote Pamarung Islands in the East Indies to pursue his project. Their departure is noted with interest by a young man, Townsend J. Harper, Jr., who is quite taken with Virginia and determines to find out where they are going. In Singapore, Maxon commissions Dr. Carl von Horn to take them the remainder...

Soon after the American Civil War, Confederate soldier John Carter joins the gold rush in Arizona. After striking a vein of gold, Carter runs into trouble with the natives of the area. In attempts to evade their pursuit, Carter hides in a cave, unaware of its magical properties. Mysteriously, Carter is transported to Mars, which the planet inhabitants call "Barsoom". When Carter discovers that the gravity difference between Mars and Earth has granted...

The Land that Time Forgot follows the narrative of Bowen Tyler, who is among the few who survived after their ship sank while heading for a battle during World War Ⅰ. Accompanied by Lys La Rue, the only woman on the ship, and a loyal dog, Bowen is rescued by a British ship. However, their relief does not last long after they discover that a German spy is aboard and has been sabotaging the vessel and crew. Forced to drop their anchor at a mysterious...

The novel contains elements of political satire aimed at communism. The novel's villains, the Thorists, start a revolution in the nation of Vepaja for their own good only, cheating the uneducated masses and killing or driving away those doctors and other highly educated that form the foundation of the society. Throughout the book the Thorists remain distant and unreal, and those few that the hero Carson Napier meets are often stupid or incompetent....

Based on Edgar Rice Burroughs's classic novel, a war-weary former military captain is inexplicably transported to Mars and reluctantly becomes embroiled in an epic conflict. It's a world on the brink of collapse, and Carter rediscovers his humanity when he realizes the survival of Barsoom and its people rests in his hands.

It has been years since the man once known as Tarzan left the jungles of Africa behind for a gentrified life as John Clayton III, Lord Greystoke, with his beloved wife, Jane at his side. Now, he has been invited back to the Congo to serve as a trade emissary of Parliament, unaware that he is a pawn in a deadly convergence of greed and revenge, masterminded by the Belgian, Captain Leon Rom. But those behind the murderous plot have no idea what they...