Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.8
Points
2.0
Fiction/Nonfiction
Nonfiction
Word Count
11635
Points per Word
0.000172
Page Count
48
Points per Page
0.041667
Description
This book shows how many important technological breakthroughs, from the abacus to the e-book, went from the drawing board to our homes and schools.