Classic Codes and Ciphers
by Thomas, Rachael L.
Series:Alternator Books · Cryptology (Alternator Books)
Prefer borrowing? Open Library may have a digital copy too.
AR Book Level
6.0
AR Points
0.5
Word Count
1,771
Interest Level
Middle Grades (MG 4-8)
Genre
Nonfiction
AR Quiz #
512690 EN
About this book
People have wanted to hide messages and important information for millennia. Read how history’s coolest codes and ciphers have progressed from belts and sticks to rotating disks and supercomputers.