Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
8.8
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
4683
Points per Word
0.000214
Page Count
64
Points per Page
0.015625
Series
Eyewitness Books
Description
This illustrated introduction to submarines explains what they are, how they work, the history of their development, weapons systems, and their use in war and scientific research.