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 and his Mighty Robot are ready for the best day ever Today is Ricky's birthday, and it's off to a great start After peanut-butter pancakes and presents, Ricky's parents are taking him and his Mighty Robot to see dinosaurs at the museum. And they have a surprise for Ricky:...