Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
4.7
Points
1.0
Fiction/Nonfiction
Fiction
Word Count
3757
Points per Word
0.000266
Description
Axel's eccentric Uncle Otto can't wait to go on a journey to discover the centre of the Earth, but Axel isn't so sure. After they descend into an Icelandic volcano, neither of them knows where their journey will end.