Ricky Ricotta's Mighty Robot Vs. the Mecha-monkeys From MarsRicky Ricotta's Mighty Robot Vs. the Mecha-monkeys From Mars

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!Best friends always stick together -- especially when they are in trouble!Ricky Ricotta and his Mighty Robot always watch out for each other -- that's what…