Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.0
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
1823
Points per Word
0.000274
Description
Take a journey down through the layers of the Earth, all the way to the planet's core and out the other side. Learn about the wildlife, rocks, and other interesting things that are found there.