Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
4.3
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
1406
Points per Word
0.000356
Page Count
32
Points per Page
0.015625
Series
Raintree Atomic
Description
This book describes some of the fastest machines on Earth, including the world's fastest boat and Chuck Yeager's X-1 that broke the sound barrier in 1948.