Rocket Kelly #3

In "Adventure of the Lost Sky-World," Rocket and his friends stumble upon a hidden prehistoric civilization in the Andes, where stranded explorer Evanson warns of a looming threat: the Sky-World’s inhabitants, armed with atomships and monstrous insects, intend to conquer Earth. Written by ? [as Ted Small], the story unfolds with a pulse of vintage sci-fi wonder, blending mystery and high-stakes danger in a world where ancient secrets hold the power to reshape the future.

Gunnar Kasson and his lead dog Balto race through a brutal Alaskan blizzard, carrying a vital serum to stop a deadly diphtheria outbreak in Nome. With time running out and the storm raging, they push forward through treacherous terrain, determined to deliver the life-saving medicine.

In "Whoever heard of a talkin' sphinx?", Rocket Kelly and his friends join his father and Professor Marco in a daring mission to transform the Egyptian desert, only to find themselves caught in a deadly betrayal when Marco’s true motives surface. With the sands hiding more than just ancient secrets—uranium and a voice from the past—the line between discovery and danger blurs in this 1946 science fiction tale.

In "Saga of the Silver Saddle," Kit sets out to earn a prized silver saddle by proving his courage, embarking on a daring rescue when young Marybelle is swept into a river after being dropped by an eagle. The story unfolds with quiet tension and frontier grit, capturing a moment of heroism born not from grand spectacle, but from quick thinking and heart.