Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.0
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2631
Points per Word
0.00019
Page Count
32
Points per Page
0.015625
Description
This book presents the science of Earth's underground layer, including archeological finds, underground construction and mummification. The co-author is Jane Turner.