Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
9.5
Points
5.0
Fiction/Nonfiction
Nonfiction
Word Count
26407
Points per Word
0.000189
Page Count
170
Points per Page
0.029412
Description
This book introduces children to the different ways that codes and ciphers have been used throughout history and includes simple puzzles for readers to solve.