Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
9.3
Points
3.0
Fiction/Nonfiction
Nonfiction
Word Count
14300
Points per Word
0.00021
Page Count
63
Points per Page
0.047619
Series
Inventors & Inventions
Description
This book describes the discovery, principles, and types of lasers, the light they produce, their contributions to industry, medicine, war, crime detection, communication, and other fields.