Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.1
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
3216
Points per Word
0.000155
Page Count
32
Points per Page
0.015625
Description
This book is a biography of the inventor who changed the world in which he lived with such revolutionary inventions as the phonograph, electric lighting, and motion pictures. The coauthor is Robert B. Noyed.