Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.2
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
3042
Points per Word
0.000164
Page Count
32
Points per Page
0.015625
Series
Tales of Invention
Description
This book tells the story of the invention of the clock, including the key players, setbacks along the way and moments of discovery. The co-author is Louise Spilsbury.