Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
2.1
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
231
Points per Word
0.002165
Page Count
24
Points per Page
0.020833
Series
Powerful Machines
Description
From steam engines to maglev tracks, young readers learn about the science and technologies that help trains carry passengers and freight.