Science Comics #8

When an organized gang of ruthless saboteurs led by The Wrecker begins terrorizing the railroad with deadly train wrecks and extortion threats, electrical expert Jim Andrews—secretly the super-powered vigilante Dynamo—steps in to stop them. Racing against the clock to rescue a kidnapped girl and prevent a catastrophic collision that could claim dozens of lives, Dynamo must use every ounce of his electrical abilities to outmaneuver The Wrecker's desperate endgame.

Marga, a woman with panther-like abilities, joins aviator Ted Grant and Professor Read's expedition to find a radium deposit on the Lost Plateau, but when the plane crashes and the professor's young son Bobby is kidnapped by Chalto, a renegade white chief, Marga's tracking skills and fearlessness become essential to the desperate rescue. Her cunning and strength are tested at every turn as she and the others pursue the kidnappers through treacherous terrain filled with quicksand, jackals, and deadly chasms. This tale is from Science Comics #8 (1940).

When Captain Nemo discovers an ancient log belonging to Harald the Red at the bottom of the sea, he uncovers a reference to a prehistoric monster—an ichthyosaur that may still be alive in Frobisher Bay. Assembling a fleet led by Navy Jones and joined by the fearless Princess Coral, Captain Nemo sets out to hunt the creature, but the expedition faces deadly obstacles from giant narwhals and the monster itself before the final confrontation. A rousing undersea adventure that blends historical mystery with creature-feature thrills.