Book 6 in the Mega Robo Bros series

Brothers. Robots. Superheroes.

Alex and Freddy face their greatest danger yet! The return of their most terrifying enemy, a robotic malware virus causing robots to rebel against humanity, and a growing anti-robot protest movement - it's a lot for two robot brothers to cope with. But when the robot malware strikes during the carnival, the danger dial shoots up to the max! Will Alex and Freddy be able to resist - and save the day?!