Reading Metrics
Grade Level
Upper Grades (UG 9-12)
Book Level
7.7
Points
9.0
Fiction/Nonfiction
Fiction
Word Count
48105
Points per Word
0.000187
Page Count
252
Points per Page
0.035714
Series
Scholastic Classics
Description
In this modern classic mystery, a scientist must face the consequences of rendering himself invisible with a secret formula.