Superboy Adventure Book #1957-58

In the summer of 1957, Superboy and his friends Rex and Major Dennis witness an atom bomb test at sea—only for Major Dennis to vanish after diving to investigate. When Danny and Rex follow, they battle a shark and a manta ray before discovering a midget submarine near a sunken ship rumored to hold a fortune in pearls. As they close in on the mystery, a sudden twist throws their mission into chaos.

Clark Kent, Runaway! sees the young hero flee Smallville after being told to stay home and do chores, but his sudden departure is no ordinary act of teenage rebellion—Clark suspects his parents have been replaced by impostors trying to expose his secret identity as Superboy. With his mind racing and his loyalty to his family tested, Clark sets out to uncover the truth, unaware of the danger lurking just beneath the surface of his own home.

In "Track of the Phantom Cat!", Superboy and his friend Danny stumble upon a wild cattle stampede during a Western bus tour, leading to a thrilling chase after a mysterious panther that's spooking the herd. With quick thinking and courage, Rex (Superboy) tracks the animal through treacherous terrain—escaping quicksand, triggering an avalanche, and even earning the panther’s unexpected loyalty. When a newspaper ad for a missing feline leads to the animal’s long-lost owner, Rex’s heroics earn him a surprising reward: a tiny panther kitten of his very own.

In the frozen reaches of the Arctic, Superboy and his young companion Danny race against time to rescue Major Dennis from a hidden base beneath an iceberg, where they’ve trapped a group of atomic spies. With icy dangers and mysterious foes lurking in the shadows, Superboy’s quick thinking and courage are put to the test as he faces the chilling threat of espionage in the remote wilderness.