Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.3
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
9070
Points per Word
0.00011
Page Count
120
Points per Page
0.008333
Series
Science Comics
Description
Readers join a crystal-crazy boy and a famous rock hunter on a geological journey that will take them to the summit of a volcano, deep within the earth, and even into outer space.