Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
5.5
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
1742
Points per Word
0.000287
Page Count
45
Points per Page
0.011111
Series
New True Books
Description
Presents a history of underwater boats and describes various kinds of submarines, their parts, and personnel.