'The Ghost of Black Rock Castle' is the first story in 'The Jess Mystery Series' for children aged 7 years and older.Jess and her best friend Ruby are going on a school trip to 'Black Rock Castle' with Joe, the twins Lucy and Tom, and the rest of Class Three from 'Oakhill Primary School'. Jess is sure that the castle is haunted by a ghost, but their teacher Mrs Green says that there are only ghosts in stories.Class Three visit the Castle dungeons...