Don Winslow of the Navy #37

Don Winslow and Red Pennington are temporarily assigned to the Coast Guard to investigate reports of a sea serpent terrorizing fishermen near the oyster beds—but what they discover is far more sinister than any mythical creature. The fearless duo uncover a submarine disguised as a monster, operated by a criminal using it to scare away local fishermen and seize control of the beds. Now held captive and forced into a deadly trap, Don and Red must find a way to expose the scheme before the villain uses them as a gruesome example to silence the remaining witnesses.

Bell Bottom Bill figures he's so indispensable to his fellow sailors that they'll miss him terribly while he's away on a three-day leave—so he tries to sneak out without telling them. When they discover his departure plans, their blunt response gives him plenty to think about in this quick-witted naval gag.

Don Winslow takes command of an invasion to capture Maipan Island and cut off Japan's supply lines, but after a brutal naval battle leaves his forces depleted—five PT boats and one plane are all that remain operational—he intercepts a Japanese radio report revealing that a fresh enemy fleet is heading straight for the island. With his back against the wall and outnumbered, Winslow hatches an audacious plan using nothing but paint and cunning to even the odds before the Japanese arrive.

When a couple of neighborhood kids get into a heated argument over the Brooklyn Dodgers, Don Winslow breaks up the scuffle—but stumbles into something far more dangerous: a sabotage plot aimed at the visiting Allied admirals. With a time bomb set to detonate on the Brooklyn Bridge, Don and his scrappy pal Flatbush must race against the clock to stop the conspirators before tragedy strikes.

Jetsam Joe's captain thinks he's a hopeless worker—until a clever inventor offers to rent him a mechanical double for fifty bucks. Joe takes the deal, and after a quick paint job, the robot takes his place on the ship and works flawlessly, earning Joe the captain's praise and a promised bonus. But when the captain accidentally presses the wrong button on the mechanical man, things take a wild turn that Joe definitely didn't anticipate.

Don Winslow and Red Pennington tackle a mysterious crisis when a seemingly crewless freighter appears out of control on the open sea, forcing a tense confrontation at sea. When they board the so-called "ghost ship," they discover the crew has vanished—but Winslow's sharp eye for detail suggests foul play rather than disaster. Racing to uncover the truth before the crew returns to claim their hidden cargo, Winslow and Pennington find themselves caught in a dangerous game where quick thinking and a single overlooked clue might be the only edge they have.