Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.4
Points
7.0
Fiction/Nonfiction
Nonfiction
Word Count
39799
Points per Word
0.000176
Description
This is the history of some of the world's most important milestones in the development of technology - from the earliest computers made of light bulbs and an old tin to Wikileaks and smartphones.