Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.4
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2587
Points per Word
0.000193
Page Count
32
Points per Page
0.015625
Description
Readers explore the history of virtual-reality immersion from the stereoscope and View-Master to flight simulators and arcade games to today's head-mounted displays.