Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
3.1
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
1254
Points per Word
0.000399
Page Count
48
Points per Page
0.010417
Description
Where does the word "planet" come from? How long is a year on Mercury? Read this book and find out!