Gus Vs. the Robot King by R. A. Montgomery and Shannon Gilligan takes YOU on another adventure with your robot friend, Gus. Your 4-8 year old reader will meet Gus's robot cousin the Robot King, discover the secret powers of jellyfish, and fly over the moon! Gus Vs. the Robot King is a companion book to the bestselling title Your Very Own Robot. Choose Your Own Adventure Gus Vs. the Robot King is an interactive adventure book in which YOU decide what happens next. If you tag along with Gus the robot, will he get you into trouble? Can you save the oceans? Or better yet, can you save the world from the threat of a massive ice cream sundae shortage?