Secrets of the Unknown #145

In "No Trespassing!" from Secrets of the Unknown #145 (1974), a wealthy man discovers a mysterious beam of light on his land with miraculous healing powers—so powerful he seals it off and charges five thousand dollars to see it. But when the beam, revealed to be an alien weapon test, is accidentally amplified to full power, his fortune and estate are erased in an instant.

In "He Changed at Midnight," a Mercurian hides his true form on Earth, only revealing it at midnight—until a greedy man threatens to expose him for a reward. When the truth comes out, the alien takes the man aboard his spaceship and returns him to Mercury, not to harm him, but to show him the cost of greed.

In "It Waits In the Tank!" from *Secrets of the Unknown* #145 (1974), a man’s fascination with a mysterious sea creature takes a terrifying turn when the being begins to take over his body—mind and all—leaving him trapped inside a glass tank, watching helplessly as his own form is claimed by something utterly alien.

In "Only One Returned!", two men venture into a cave shaft with secrets buried deep—only one of them emerges, and not for the reasons he expected. When one man tries to eliminate his rival to win his girlfriend’s hand, fate takes a twist neither could have foreseen. The story unfolds with a quiet dread, where a single cut rope leads to a river rescue and an unexpected quarantine, all under the shadow of hidden uranium.

In "The Swami's Secret," a mind-reading spiritual guide is shaken when he detects an alien presence poised to invade Earth—so shaken, he confesses years of fraud to the police, convinced his revelation is vital. But when the authorities investigate, they find the "alien" is just an actor preparing for a role, leaving the swami’s true motives—and his extraordinary claim—unresolved.