Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.0
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
3987
Points per Word
0.000251
Page Count
32
Points per Page
0.03125
Description
This edition, revised and updated by Richard Hantula, provides an up-to-the-minute examination of the factual and theoretical nature of the stellar phenomena of quasars, pulsars, and black holes.