When Danny reveals the dark underside of a company making a new fighting toy gadget, he has no idea of the danger he’s in. A gripping sci-fi mystery from bestselling author Alastair Chisholm.

Everyone is desperate to have a Blitzer, the new fighting-game craze. But Danny’s Blitzer is broken – it won’t fight!

His classmates laugh at him. His brother tells him to wipe the code and start again. But Danny does something different … and everything changes.

For the people behind Blitzers are hiding a deadly secret, and now everyone is in danger. Can Danny uncover the truth? Can he figure out what Blitzers are? And above all, can he save his best friend?