When the most powerful artillery, deadly bacteria and explosives known, and the most destructive methods available fail to be effective against some enemy's unknown weapon of war, it is time, very frequently,...

A man is transported to Mars and finds adventure, action, suspense, and romance. A true pulp fiction classic, woven by a master of the science fiction genre, Mr. Otis Adelbert Kline. A truly memorable...

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...

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...

Raised in a lab (alongside a chimp) by a brilliant, but misguided scientist, a young boy is trained to be a killing machine. But the young boy, Jan, is clever enough to escape from the lab and make it...

Far from the world of his white parents, the sixteen-year-old youth, Jan, was raised in a cage under the watchful eye of half-crazed Dr. Bracken. Guided by his foster mother, Chicma the Chimpanzee, Jan...

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...

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...

Derring-do on a world of primitive monsters! 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...

Derring-do on a world of primitive monsters! 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...

This astonishing science-fiction classic begins like a prophecy of today's space achievements--a missile is fired from Earth to hit the surface of the Moon. It is successful and the misslemen are heroes,...

Far from the world of his white parents, the sixteen-year-old youth, Jan, was raised in a cage under the watchful eye of half-crazed Dr. Bracken. Guided by his foster mother, Chicma the Chimpanzee, Jan...

In 'The Man from the Moon' by Otis Adelbert Kline, readers are transported to a fantastical world where a man from Earth finds himself on the moon, facing strange civilizations and thrilling adventures....

In 'The Swordsman of Mars' and its sequel 'The Outlaws of Mars', Otis Adelbert Kline takes readers on a thrilling adventure through the red planet, blending elements of science fiction and sword-and-planet...

< b>Jerry Morgan, is a man with no future on Earth, he is offered a new life on Mars and he takes it. He starts out his new life on Mars on the wrong foot by meeting a princess and killing the fearsome-looking...

In the 'OTIS ADELBERT KLINE Ultimate Collection: Science-Fantasy Classics, Sword & Sorcery Tales,' readers are invited into the vibrant worlds crafted by Otis Adelbert Kline, a prolific author whose...

Otis Adelbert Kline, an underappreciated writer of the early 20th century, crafted two thrilling adventures filled with exotic settings and daring escapades. 'JAN OF THE JUNGLE' and its sequel 'Jan in...

In "Otis Adelbert Kline: Collected Works," readers are presented with a comprehensive anthology showcasing the rich tapestry of Kline's imaginative prowess, which weaves together elements of science fiction,...

In the thrilling trilogy encompassing "The Planet of Peril," "The Prince of Peril," and "The Port of Peril," Otis Adelbert Kline weaves an exhilarating tapestry of planetary adventure and interstellar...

In 'The Greatest Sci-Fi & Fantasy Works of Otis Adelbert Kline - 16 Books in One Edition', readers are immersed in a collection of thrilling and imaginative tales that blend elements of science fiction...

The Greatest Works of Otis Adelbert Kline - 18 Books in One Edition is a monumental collection showcasing the versatility and creativity of the acclaimed author. Kline's literary style, characterized...

In "The Malignant Entity," Otis Adelbert Kline merges science fiction and horror, crafting a compelling narrative that delves into the themes of existential dread and the unknown. This novel, rich with...

In the "OTIS ADELBERT KLINE Ultimate Collection: Science-Fantasy Classics, Sword & Sorcery Tales," readers are invited to traverse the imaginative landscapes crafted by Kline, an early 20th-century...

Otis Adelbert Kline's 'The Venus Trilogy' is a captivating and imaginative science fiction series that consists of 'Planet of Peril,' 'Prince of Peril,' and 'Port of Peril.' Set on the mysterious and...

Otis Adelbert Kline's adventurous novel 'The Metal Monster' is a thrilling sci-fi tale that takes readers on a journey to a remote island where a sentient metallic entity threatens the peaceful inhabitants....

Otis Adelbert Kline's novel 'The Thing That Walked in the Rain' is a captivating blend of science fiction and horror, set in a post-apocalyptic world where menacing creatures roam the land. The atmospheric...

Otis Adelbert Kline's 'Spawn of the Comet' is a captivating science fiction novel that delves into the mysteries of the universe through the lens of adventure and exploration. Set in a distant future...

Otis Adelbert Kline's novel 'Maza of the Moon' is a classic work of science fiction that delves into the realms of interplanetary adventure and romantic escapades. Set on the moon, the story follows the...

Through the discoveries of the scientist, Dr. Morgan, a young Martian's astral body is projected into the body of one Harry Thorne on Earth, and from Earth to Venus, or "Zarovia," where the man of Mars...

Through the discoveries of the scientist, Dr. Morgan, a young Martian's astral body is projected into the body of one Harry Thorne on Earth, and from Earth to Venus, or "Zarovia," where the man of Mars...