Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.8
Points
6.0
Fiction/Nonfiction
Fiction
Word Count
36318
Points per Word
0.000165
Description
Whilst at the Edinburgh Festival with his parents, Charlie discovers a secret tunnel under the city, as well as a diary that leads him into a search for treasure and a battle with dangers from under the ground.