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?

Particularly suitable for readers aged 9+ with a reading age of 8.