Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.8
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
1016
Points per Word
0.000492
Description
A look at how the discovery of metals changed the world, helped to make everyday tasks easier and to make communities stronger against their enemies. Fast Lane Non-fiction series, Silver Level 23.