Ciphers

The Code Book: The Secret History of Codes and Code-breaking

Simon Singh

Code of honor

Alan Gratz

The Mona Mousa Code

[ text by Geronimo Stilton ; illustrations by Matt Wolf].

Mishneh Torah

mevoʾar ... ʻal yede S. Ravidovits

Mathematical Recreations and Essays

W. W. Rouse Ball, H. S. M. Coxeter

End of story

Peter Abrahams

The code book: how to make it, break it, hack it, or crack it

Simon Singh.

The Black Circle: Library Edition

Patrick Carman

One False Note

Gordon Korman.

In Too Deep: Book Six

Jude Watson