Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.0
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
3313
Points per Word
0.000302
Page Count
32
Points per Page
0.03125
Series
Underground Worlds
Description
This book explores the world's underground structures, including fault lines, caves, volcanoes, and more.