Reprints "The Pied Piper of Duckburg" from Uncle Scrooge Adventures #21, "Cave of the Winds" from Four Color #1095, "All Quacked Up!" from Walt Disney's Comics #623, "Rain-Dance Reversal" from Uncle Scrooge #315 and "Just Another Hang-Up!" from Walt Disney's Comics #622. Also contains an afterwords on Gyro Gearloose called "Inventing an Inventor".