Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
4.4
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2331
Points per Word
0.000215
Page Count
40
Points per Page
0.0125
Description
This book explains how the American mail delivery system that survived for eighteen months in the mid-nineteenth century came to be, how it was operated, and why it came to a close.