Mysteries of Unexplored Worlds #5 (1957)

Jo, a young boy on vacation with his parents, becomes unsettled by local rumors of the Green People—mysterious beings said to take humans from Earth every twenty years. As strange events unfold at a quiet seaside hotel, Jo witnesses his parents vanish through a wall, leaving him terrified and alone. Years later, driven by a need to uncover the truth, Jo returns to Plandome, determined to face the Green People and find out what happened to his family.

In "Stranger in the House," a family's quiet evening unravels when a soldier mysteriously appears in their home, imposing strict new rules with an air of authority—though the true source of the strange behavior lies in the tiny, intricate world of a dollhouse. The story unfolds with quiet unease, blurring the line between the real and the miniature, where every command feels real, yet everything is just a game played in miniature.

In "The Mirage," a man escapes jail on the edge of a vast desert, his canteen now empty after a stray gunshot. Determined to survive, he follows a makeshift compass across the dunes, only to glimpse an oasis and women who seem too real to be a dream. As he presses on, convinced it’s a trick of the heat, the women watch him go—wondering why he turned away.

In the 1957 sci-fi anthology *Mysteries of Unexplored Worlds #5*, a boy stows away on a rocketship, catching the crew off guard—until his small size proves invaluable when he’s the only one able to crawl into a tight duct and repair critical damage picked up during the voyage.

In "A Dreamer's World," a test pilot awakens to find a Viking sailor and a young woman waiting outside his cockpit—only to learn he’s stumbled into a realm where dreamers go when they die. When the woman insists she’s not dead, the pilot realizes she’s trapped in a waking world that’s bleeding into the dream, and he must act fast to pull her back.

In "Our Atomic Future," a 1957 non-fiction glimpse into speculative science, the story explores how atomic energy could transform everyday life—from powering transatlantic ships and interplanetary travel to making electricity nearly free and cars that need only an annual fuel refill. The piece imagines a world where atomic power reshapes transportation, energy, and household technology, all presented with the optimistic, forward-looking tone of mid-century futurism.