Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.5
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
3825
Points per Word
0.000261
Page Count
48
Points per Page
0.020833
Description
This book explores how designers drew up plans for the subway, how workers built the underground system in one of the world's busiest cities, and how commuters today still rely on its hundreds of trains.