Action Comics #454

In "Superman's Energy-Crisis!", the Man of Steel finds himself suddenly weakened, forced to consume vast amounts of food just to keep going—leaving him baffled when the new toy-maker seems to be behind the strange malady. But as Superman investigates, he discovers the true source of his energy drain lies buried deep beneath the Earth, a mysterious rock acting like a magnetic pull on his powers.

In "The Campus That Swallowed Itself!", Atom faces off against a monstrous vine outbreak unleashed by a mysterious device, as the campus itself begins to collapse under the creeping, sentient growth. With panic spreading, Jean tries to reach the plants through communication while Atom works to contain the chaos and prevent disaster. The story unfolds with urgent tension as they race to stop the unnatural surge before it consumes everything.