Publisher's Synopsis
"Gyro Gearloose, inventor of anything, does it again! He's concocted Omnisolve, a serum that bores through any surface--and Scrooge McDuck thinks it can dig instant mine shafts! Alas, Scrooge 'digs' a tunnel straight to the Earth's core ... and risks destroying the world..." -- Publisher's website. This volume include seven Duck tales, originally created between 1994 and 1995, as well as Rosa's cover art and behind-the-scenes. factoids.