Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.6
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
5490
Points per Word
0.000182
Page Count
63
Points per Page
0.015873
Series
First Book
Description
Describes the formation and appearance of rocks, changes they can undergo, and how to start a collection.