Ricky Ricotta's Mighty Robot Vs. the Mecha-Monkeys from Mars (Ricky Ricotta's Mighty Robot #4)

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. That's what friends are for! In this book, Ricky and his Mighty Robot meet a mean little Martian named Major Monkey who plans to take over Earth with his monstrous Mecha-Monkeys. When Major Monkey plays a trick on Ricky's Robot, it's up to Ricky to rescue his friend and stop Major Monkey from menacing mousekind!

Originally published in 2002, this edition features brand-new full-color illustrations throughout!

Dav Pilkey has written and illustrated numerous popular, award-winning books for children, including the Captain Underpants and Dumb Bunnies series; DOG BREATH, winner of the California Young Reader Medal; and THE PAPERBOY, a Caldecott Honor Book. He lives with his wife in the Pacific Northwest. Visit him online at www.pilkey.com.

Dan Santat wrote and illustrated the graphic novel SIDEKICKS, and has also illustrated many acclaimed picture books, including the New York Times bestseller BECAUSE I'M YOUR DAD by Ahmet Zappa. He lives in Alhambra, California, with his family. Please visit his website at www.dantat.com.