Reading Metrics
Grade Level
Upper Grades (UG 9-12)
Book Level
5.5
Points
24.0
Fiction/Nonfiction
Fiction
Word Count
153777
Points per Word
0.000156
Page Count
430
Points per Page
0.055814
Description
Molecular biologist Kay Lang, a specialist in retroviruses, teams up with virus hunter Christopher Dicken and anthropologist Mitch Rafelson in an attempt to trace the ancient source of a flulike disease that is threatening the future of the human race.