Super Mommio
The story turns out to be a lot more complicated than at first you suspect. The narrator is clear and easy to understand, however, she is slightly mechanical.
A mysterious message on a record is found sealed in a cylinder. A heroine straight out of a fairy-tale is kept secluded by a guardian with questionable motives. Add a murder, a gallant and fearless hero to the rescue and you have all the ingredients necessary to make this a very entertaining little mystery by acclaimed British author Fergus Hume!