Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
3.4
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
4691
Points per Word
0.000213
Page Count
61
Points per Page
0.016393
Series
Scholastic Biography
Description
Text and illustrations share the life story of the famous American inventor of the electric light bulb, the phonograph, motion pictures, and other inventions that changed the world.