Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.7
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
7563
Points per Word
0.000132
Page Count
61
Points per Page
0.016393
Description
While dinosaurs dominated Earth during the Mesozoic era, an astonishing collection of reptiles, often referred to as sea dragons, filled the oceans and were among the most extraordinary predators the world has known.