Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
2.8
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
438
Points per Word
0.001142
Page Count
32
Points per Page
0.015625
Description
Photographs and simple text introduce different types of underwater crafts that are used to explore the world's oceans, protect countries, and study marine life.