With more than one million books in print, Ricky Ricotta and his Mighty Robot are a big hit with children. Here the first four fantastic adventures are gathered together in one MIGHTY collection! Enter a galaxy of fun and discover how Ricky befriends the Mighty Robot for the first time, before battling such sinister spacemonsters as Mercurian Mosquitoes, Vultures from Venus, and Martian Mecha-Monkeys! Each early chapter book has action-packed Flip-O-Rama and instructions on how to draw each character! Also includes a cool sticker sheet featuring Ricky, his Robot, and all the bad guys! It's a collection that's truly out of this world! "Pilkey fans, science-fiction aficionados, and reluctant readers won't want to miss [this series."--SLJ