Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
5.6
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2861
Points per Word
0.000175
Page Count
48
Points per Page
0.010417
Description
This book describes four mysteries about space, which include sun spots, life on the planet Mars, a fireball that fell to earth in 1908, and the spiral canyons on Mars.