Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.2
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
4731
Points per Word
0.000211
Page Count
32
Points per Page
0.03125
Series
Prehistoric Field Guides
Description
About 250 million years ago, the first dinosaurs began to roam Earth. Join Ackerley, your friendly guide, on an adventure through the Triassic and Jurassic eras, thrilling chapters in the story of evolution.