The Carl Barks Library of Gyro Gearloose Comics and Fillers in Color #4

When Scrooge decides to protect his fortune from the Beagle Boys, he takes Gyro Gearloose’s advice and invests in Duckburg savings bonds—then hides them in a series of caves in the Aeolian Mountains. With the help of a loyal assistant and a keen eye for traps, the trio must outwit the Beagle Boys in a high-stakes race through wind-carved tunnels and forgotten passages.

In "The Madball Pitcher," Gyro Gearloose finds himself caught in the middle of a fierce baseball showdown between two Duckburg teams, each desperate to win. With a whirl of gears and a flash of inspiration, he invents an unhittable ball for one side and an unmissable bat for the other—setting off a chain of chaotic, high-stakes play that leaves Donald Duck, Huey, Dewey, Louie, and his ever-patient Helper scrambling to keep up.

In "The Bear Tamer," Gladstone Gander enlists Gyro Gearloose to tame a wild bear for the Royal Order of Horeshoe Kids’ "King of Luck" ceremony—much to Gyro’s dismay, as he’s just eager to enjoy his long-awaited Gyroburger. With a mix of nervous determination and inventive flair, Gyro constructs a repellent to keep the bear under control, but things quickly spiral beyond his plans. The challenge tests both his ingenuity and patience, all while the lunch he’s been dreaming of remains frustratingly out of reach.