Six Drill for Oil

When Sophie didn't get a place on her school trip to Paris, her only option was to solve a mystery (ideally one that was baffling the police) and become famous. But were Martians really drilling for zinc off the coast... ?As far as Eric was concerned, things would be much more straightforward if they simply poisoned one of the other girls.Hoorah!'What do you think happened to him?' Sophie asked.'H...