Asquith Publishing: 6 books

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...

It looked as if Easter might be a complete washout this year, since Eric had to spend the holiday with his Uncle Hank instead of with his secret friends. But then Jo suggested that they might all spend Easter with Eric's Uncle Hank. Before they knew it the children were up to their necks in a new...

Sophie wasn't at all sure about Sundays, and this one was worse than most. She met her strange friend Eric, his strange (and imaginary) friend Roy, their even stranger friend The Professor, a collection of dangerous Cats and a Caveman - and to top all of that, there were The Men from the Ministry...

Most children's magicians can make dogs out of bendy balloons. Ali-Kazaam, on the other hand, sacrifices goats to the Lord of Darkness (though not as part of his act). That, coupled with the child kidnapping, leads the Splendid Six to their strangest adventure yet - into the very depths of Hell....

Eric and Roy were already looking forward to their holiday, and that was before the adventure even started - an adventure with pirates, smugglers, onions and most importantly new friends. The sort of new friends who didn't mind about Roy ...Hoorah!Jack had been canoeing with the school...

Jack was determined to find another mystery to solve - after all, that was what he and his secret friends did best. But perhaps a space adventure wasn't quite what he had in mind, with Aliens, a Death Ray, a Mad Professor (actually their friend Professor Fletcher, who was more Confused than properly...