Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.9
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
3320
Points per Word
0.000301
Page Count
32
Points per Page
0.03125
Description
This book explores the history of light, and the scientists who worked on various theories. The coauthor is Louise Spilsbury.