Mysterious Messages: A History of Codes and Ciphers
by Blackwood, Gary
Prefer borrowing? Open Library may have a digital copy too.
AR Book Level
9.5
AR Points
5
Word Count
26,407
Interest Level
Middle Grades (MG 4-8)
Genre
Nonfiction
AR Quiz #
133418 EN
About this book
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.