Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
4.6
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2141
Points per Word
0.000234
Page Count
32
Points per Page
0.015625
Series
Value Biographies
Description
Traces the life of the man who invented the phonograph, light bulb, and the motion picture camera, with an emphasis on the value of perseverance in his achievements.