Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
9.2
Points
6.0
Fiction/Nonfiction
Nonfiction
Word Count
28950
Points per Word
0.000207
Page Count
136
Points per Page
0.044118
Description
This book examines the theories about life on Mars, providing both historical and current information about our exploration of the Red Planet.