Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.1
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
8254
Points per Word
0.000121
Page Count
48
Points per Page
0.020833
Description
This book explores the science of cold light through stories from a seventeenth-century alchemist, chemist Robert Boyle, and other adventurers who first experimented with luminescence.