Ricky Ricotta and his Mighty Robot battle for the safety of the solar system once again! This time, smelly Sergeant Stinkbug arrives on Earth with a plan to kidnap the king of the world, but he ends up with Ricky\"s little cousin Lucy instead. Now it\"s up to Ricky and his Robot to save Lucy and the rest of mousekind from a stinky situation!...

It\"s Ricky Ricotta\"s birthday, and as a special treat, his parents are taking him and his Mighty Robot to see dinosaurs at the museum. Too bad they\"ve also invited Ricky\"s little cousin Lucy; she\"s a real pest!...

From Dav Pilkey, creator of Captain Underpants, and acclaimed artist Dan Santat, an out-of-this-world friendship adventure with all-new full-color illustrations! Ricky Ricotta is lucky to have his Mighty Robot as a best friend. They play, study, and even get in trouble together, and they always watch out for each other....

Ever wish you had a flying Robot for a best friend? Wouldn\"t it be great to have a Robot so big and powerful that nobody would ever mess with you again? Friendly Robots can be fun! But with giant friends come giant responsibilities....

From Dav Pilkey, creator of Captain Underpants, and acclaimed artist Dan Santat, an out-of-this-world friendship adventure with all-new full-color illustrations! Ricky Ricotta may be a small mouse, but he has a very big friend, a giant flying Robot! And when an evil, outerspace villain named Mr....

From Dav Pilkey, creator of Captain Underpants, and acclaimed artist Dan Santat, an out-of-this-world friendship adventure with all-new full-color illustrations! Getting picked on by creeps at your school? Wish you had a special friend? Meet Ricky Ricotta and his giant flying Robot!...