Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
8.9
Points
3.0
Fiction/Nonfiction
Nonfiction
Word Count
17066
Points per Word
0.000176
Page Count
136
Points per Page
0.022059
Description
This book tells the story of how David Bushnell built the "Turtle," the world's first submarine, for use against British ships during the American Revolutionary War.