Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
4.6
Points
2.0
Fiction/Nonfiction
Fiction
Word Count
13618
Points per Word
0.000147
Page Count
96
Points per Page
0.020833
Description
Fribble's birthday present from his grandparents is a letter containing a secret key. Curious as ever, Fribble discovers what the key unlocks, only to find another mystery. Where will it lead him? Only the library can help him solve his case.