Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
8.3
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
5150
Points per Word
0.000194
Page Count
72
Points per Page
0.013889
Series
Eyewitness Books
Description
Text and photographs examine the creation, importance, erosion, mining, and uses of rocks and minerals.