From the Publisher
The second exciting installment in the new chapter-book series from the bestselling creator of Captain Underpants!Ricky Ricotta and his best friend, an amazing, giant flying robot, save the world from an invasion of massive mutant mosquitoes from Mercury.
From the Jacket
Ricky Ricotta may be a very small mouse, but he has a VERY big friend -- a giant flying Robot! And when an evil, outerspace villain named Mr. Mosquito invades Earth with an army of Mutant Mosquitoes from Mercury, Ricky and his Robot know exactly what to do! Young readers will cheer as Ricky's Robot battles the bad guys. And when Ricky ...