Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.6
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
4290
Points per Word
0.000233
Page Count
48
Points per Page
0.020833
Description
Firsthand scientific reports and photographs describe the rare event known as an irruption, explaining why snowy owls began to migrate in a most unusual pattern.