National Comics #24

When a master diamond cutter stages an elaborate theft on Maiden Lane to cover his own crime, Quicksilver must unravel the scheme to discover the real culprit—but the thief's mysterious ability to scale buildings using special shoes makes him a moving target. With cops and crooks colliding across the rooftops of New York's diamond district, it takes Quicksilver's speed and cunning to piece together who's really behind the heist of the priceless Kingston Diamond.

Kid Dixon, the heavyweight champ, has a fight with "Killer" Lonigan coming in three days, but his manager Toppsy is at his wit's end—the champ would rather spend his time dancing, going to movies, and socializing than training. When Danny's tires get stolen, he chases down the thieves and ends up in a brawl; later, while escorting a young woman through a museum, he spots criminals making off with a priceless coronet and springs into action. With the big fight looming that very night and Toppsy convinced Kid Dixon is hopelessly out of shape, the stage is set for Danny to step into the ring and face the consequences of his carefree ways.

Prop Powers and his hillbilly pal Lank are Coast Guard aviators on patrol over the Atlantic when a Nazi fighter catches them off guard, forcing them to bail out and land on a German raider ship. Captured and thrown in the brig, the quick-thinking duo engineer a daring escape by sabotaging the vessel's engine room, but they'll need to commandeer a plane and fight their way off the sinking raider to make it back to safety. It's wartime action and close calls as these ace troubleshooters battle the Fascist threat on the high seas.

In a small Balkan coffee house under Nazi occupation, the mysterious Unknown infiltrates a Nazi spy operation and earns the ire of Captain Kranz—but his real challenge emerges when the Nazis threaten to hang the village patriarch in retaliation. The Unknown devises a daring plan with the locals to save their symbol of freedom and drive the occupiers from the village, culminating in a race against time and nature itself.

Sally O'Neil takes a dangerous undercover assignment posing as a welfare worker, then as a nightclub prospect, to gather evidence against the notorious racketeer Ritzy Wolfman—but her cover is blown when she reveals her badge. Trapped in Wolfman's headquarters with his gang closing in, Sally fights her way out using clever improvisation and kitchen supplies, eventually turning the tables when police reinforcements arrive. It's a wild chase through danger that proves once again why this policewoman is more than a match for the underworld.

Wonder Boy springs into action when Nazi saboteurs plant explosives at a defense plant, and after infiltrating the facility to stop them, he finds himself caught in a deadly game of cat-and-mouse as the spies escalate their destructive schemes. With the phenomenal strength granted by his otherworldly origins, Wonder Boy races to prevent a dynamite-laden vehicle from reaching its target—but stopping the sabotage proves only the beginning of his battle against America's internal enemies. This five-page tale by Jerry Maxwell pits a young hero against cunning foes determined to cripple the nation's war effort.

When a coastal freighter is torpedoed off Southern California, the USS Pawnee sets out to find a suspicious fishing boat that vanished from the scene—only to discover it's actually a heavily armed Japanese decoy masking a lurking submarine. Skipper Lieutenant Commander Lake must outmaneuver a coordinated enemy attack and track down the U-boat before it can strike again in these waters.