Adventures into the Unknown #8 (1949)

In "The Evil Ones!" from *Adventures into the Unknown* #8 (1949), test pilot George Bailey pushes his rocket to unprecedented speeds—only to encounter ghostly entities known as the Evil Ones. As they show him harrowing visions of his friend’s death, his fiancée Mary’s fall from a cliff, and a catastrophic explosion at the airfield, he struggles to reconcile the terrifying glimpses of the future with his desperate need to act. Awakening from unconsciousness, George finds himself alive but helpless, haunted by what he’s seen and unsure if he can change what’s coming.

In "The Ghost from Algol," scientist Terry’s attempt to eliminate his rival Ken using a dangerous spectroscope backfires, killing him and unleashing a malevolent spirit from the planet Algol. Now a vengeful ghost, Terry’s spirit begins haunting Ken and Nancy, driving them to a fatal car crash that transforms Ken into a ghost himself. As Nancy is trapped by spectral forces in Terry’s home, Ken must confront the evil that now wears his former rival’s face.

In "The Sargasso Specter," Cora Bryce faces the eerie challenge of tracking the Sargasso Sea’s elusive reappearance, where sunken ships hold forgotten riches—but the sea’s haunted guardian, the Sargasso Specter, stands between her and the treasure.

In the eerie stillness of a marshland near Swamp Hollow, sculptor Ted Harper arrives at a mysterious, abandoned house offered to him out of nowhere—just as his fiancée Wendy and her friend Karen grow uneasy about strange occurrences, from a phantom phone call to sightings of cloven footprints and a man in long red underwear. As the trio ventures deeper into the swamp, the air thickens with whispers of ancient curses and unseen watchers, and Ted begins to question whether the house—or the man who owns it—is truly what it seems.