Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.6
Points
5.0
Fiction/Nonfiction
Fiction
Word Count
29202
Points per Word
0.000171
Page Count
136
Points per Page
0.036765
Series
Hardy Boys Adventures
Description
When a sinkhole swallows up a historic statue, Frank and Joe, suspecting foul play, stumble into an abandoned underground city where a cultish band of criminals is plotting to take over Bayport. Book #10