From Dav Pilkey, creator of Captain Underpants, and acclaimed artist Dan Santat, an out-of-this-world friendship adventure with all-new full-colour illustrations and mini-comics throughout! Ricky Ricotta loves his Mighty Robot, but sometimes it's hard having a best friend who is so BIG! If only his Mighty Robot had someone his own size to play with, Ricky could have some fun by himself. Little does Ricky know, his wish is about to come true. Ugly Uncle Unicorn is hatching a