Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
4.9
Points
5.0
Fiction/Nonfiction
Fiction
Word Count
34255
Points per Word
0.000146
Page Count
181
Points per Page
0.027624
Series
Hardy Boys Mystery Stories
Description
Why is a wealthy sportsman so frightened by the serpent design on a mysterious balloon that he begs Frank and Joe Hardy to protect him? Book #53.