They're in a race to save his dad ... and the world.

When his dad disappears, Arun Lal is amazed to discover that he was secretly working on a classified project and has been kidnapped by people intent on stealing it.

Along with his geeky best friend Sam and tough-talking Donna, Arun is plunged into a race to rescue his father and find his creation before the thieves can turn it into a destructive global weapon...

Full of thrilling high-octane car chases and more, this is the first in an explosive new action-adventure middle grade series. Perfect for readers aged 9+ and fans of Alex Rider, CHERUB and Mission: Impossible.

Arun, Donna and Sam are ordinary school kids with an extraordinary secret. They are S.T.E.A.L.T.H., a crack team of agents in charge of the most cutting-edge piece of tech the world doesn't know exists: MANDROID. Always flying under the radar, they solve crimes, prevent disasters and rescue the innocent - and they STILL have to get their homework in on time!