Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.2
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
4730
Points per Word
0.000211
Page Count
32
Points per Page
0.03125
Series
Prehistoric Field Guides
Description
About 145 million years ago, a new and final era began in the reign of dinosaurs. Join Ackerley, your friendly guide, on a tour of the Cretaceous period, from the heyday of dinosaurs to their extinction.