Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.7
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
3904
Points per Word
0.000256
Page Count
48
Points per Page
0.020833
Series
What in the World?
Description
This book describes the work of inventor Thomas Alva Edison in creating the incandescent light bulb.