A mouse named Ricky Ricotta and his giant flying robot attempt to save the world from an invasion of massive mutant mosquitoes from Mercury.

A small mouse and his best friend, a giant flying robot, attempt to save the Earth when an evil Martian monkey and his mechanical creations attack.

Ricky Ricotta, his Mighty Robot, cousin Lucy, and some friends set out to save mousekind from Stupid Stinkbugs from Saturn, with a little help from some special gum and taffy.

By flipping the pages, the reader may view animated illustrations that follow Ricky Ricotta, a small mouse, his giant flying robot, and his annoying cousin Lucy, as they battle the nightcrawlers from Neptune that are invading through a wormhole.