For Katie, exploring the far reaches of the Solar System in her family spaceship is just ordinary life - but living on Earth, now THAT would be exciting! There seems no way she and her brother, Sam, will ever see Earth, until they accidentally end up on the fastest Ship in space, on its way to the Moon.

But will they ever get there? Space Station security, smugglers, space pirates - not to mention their parents - all see ready to stop them.

Katie and Sam aren't going to be pushed around. Neither is their gran...