Reading Metrics
Grade Level
Middle Grades Plus (MG+ 6 and up)
Book Level
6.1
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2154
Points per Word
0.000232
Page Count
32
Points per Page
0.015625
Series
War Machines (Crabtree)
Description
This book explores the history of submarines and how they changed naval warfare.