What if the right man for the job is actually a girl?

Meet MI6's new recruit. Darcie Lock is every boy's dream. Beautiful, smart ...Oh, and she's a secret agent. Stuck aboard a cruise ship filled with problem rich kids, Darcie Lock is about to embark on her next exciting adventure.

But it could turn out to be a bumpy ride because the US President's daughter has a reputation for being out-of-control.

In a boot camp for the elite, Darcie must keep her wits about.

From Naples, via Cyprus, to Egypt she must then travel on a terrifying journey through the desert Empty Quarter.

Britain's youngest intelligence officer has a lot resting on her slim shoulders.

Girl on the Run is the perfect series of adventure books for girls who don't want to let boys have all the fun.

Julia Golding is the award-winning author of the Cat Royal series and she has won the Waterstone's Book Prize and the Nestle Children's Book Prize.