Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.5
Points
2.0
Fiction/Nonfiction
Nonfiction
Word Count
10659
Points per Word
0.000188
Series
Science at Work (Raintree)
Description
This book introduces the physical features and habits of reptiles and amphibians, describes ways in which their bodies are adapted to their environment, and traces their ancestry back before the time of the dinosaurs.