Book 3 in the Mega Robo Bros series

Brothers. Robots. Superheroes.

The Mega Robo Bros have a new and deadly threat to deal with - a half-destroyed robot called Wolfram, who is out for revenge! He's lured Alex and Freddy into a trap - so he can attack London! Will they be able to escape and save the day? And why is Wolfram so determined to get to their mum?

Please note: This story was previously published as Mega Robo Revenge.