|Over Sea, Under Stone|
|Series||The Dark is Rising series|
|Previous book||This is the first.|
|Next book||The Dark Is Rising|
Three children, Jane, Simon and Barney Drew, make discoveries that begin some quests while on a visit to Cornwall.
The story begins with their arrival with their parents at the train station in Cornwall. They are staying with their Grand Uncle Merry -- not actually a relative, but a long-time friend of the family. The story involves hidden doors, ancient treasure maps and more exciting explorations.
See the The Dark is Rising Wikia.