Showing results by author "Otis Adelbert Kline" in All Categories

Deep in a South American mountain hideaway lies a Secret Kingdom of Incas, descended from the race which Pizarro, the Spaniard, conquered. Into this realm Alfred Bell, scientist, finds himself transported by the Inca's men, forever to remain. Here he finds his true love, Nona. But, Tupac, the High Priest, is betrothed to her. How will Bell rescue Nona from the evil clutches of Tupac and to escape from this Incan Kingdom?

A missile is fired from earth to hit the surface of the moon. It is successful, and the missilemen are heroes, until...THE MOON FIRES BACK! Terrible lunar missiles blast New York, London, and Paris. An ultimatum is delivered from the unsuspected civilization of our satellite: "You have attacked us! You will pay the penalty!"

Jerry Morgan, a man with no future on Earth, is offered a new life on Mars. He starts out on the wrong foot, meeting a princess and killing the fearsome-looking Martian beast he takes to be menacing her, which actually turns out to be her pet. From there Morgan becomes entangled in the politics of the Byzantine Martian royal court, spurns the advances of a would-be lover, escapes his hosts and role as an expendable political pawn. Various adventures follow, with dazzling swordplay and feats of strength.

In Swordsman of Mars, Harry Thorne, outcast scion of a wealthy East Coast family, seeks the greatest adventure of his life. He exchanges bodies with his look-alike, Martian Sheb Takkor, and is transported millions of years into the past to a Mars peopled with mighty warriors, beautiful women, and fearsome beasts. Sheb Takkor, a great swordsman in his own right, must fight his way across the deserts and jungles of ancient Mars to save the lovely Princess Thane and to defeat his arch-enemy Sel Han - or die trying!

When Vernia, empress of Reabon, mightiest land of all Venus, was kidnapped by the strange marauders of the sea, it presented the Earthman, Robert Grandon, with his greatest challenge. On a world replete with terrifying beasts and unearthly antagonists, Grandon had already achieved fame for his swordplay and courage - but the search for Vernia would take him against foes beyond all he had previously encountered. The Port of Peril, Otis Adelbert Kline's concluding novel of Venusian adventure, amply demonstrates his high skill with fast-action science-fiction.

The Prince of Peril – Using his secret method Dr. Morgan projects a young Martian's astral body into a certain Harry Thorne on Earth, who then gets transported to an ancient Venus. He arrives there in the body of Prince Zinlo of Olba, and he is soon forced to escape assassination, since an ambitious noble is killing off the Royals in a bid to seize the throne. With the help of the fellow interplanetary traveler Vorn Vangal he gets to know the planet and the rules of it.

When Robert Grandon swapped bodies with a prince of the planet Venus, he was concerned only with the thrill and interest of living on a different world. But the situation he found himself in was hardly that of a leisurely sightseer. Instead he found himself smack in the center of a whirlwind of intrigue, danger and desperation. Planet of Peril is a science-fiction adventure on a world of semi-barbaric nations, ferocious beasts, gigantic reptiles and maidens in distress.

In The Radio Ghost by Otis Adelbert Kline, an eerie mystery unfolds when a haunted radio begins transmitting chilling messages from beyond. Set in the golden age of radio, the story follows an unsuspecting protagonist who discovers that the ghostly transmissions may hold the key to a long-buried secret. As supernatural events escalate, he must unravel the spectral mystery before it's too late. Blending suspense, technology, and the paranormal, The Radio Ghost is a thrilling tale that explores the fine line between science and the unknown.