Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
8.0
Points
2.0
Fiction/Nonfiction
Nonfiction
Word Count
10378
Points per Word
0.000193
Page Count
62
Points per Page
0.032258
Series
World Book Looks At
Description
This book presents information about the world of inventions and discoveries. This series was co-created by Brenda Williams.