Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.8
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
6831
Points per Word
0.000146
Page Count
39
Points per Page
0.025641
Series
Exploring the Solar System
Description
This book takes you on a mission to Mars. Watch tornadoes sweep across the Martian desert, fly over the biggest volcano in the solar system, and find out why astronomers think there might once have been life on Mars.