Wikipedia sayings about girls who code book

1.Book cipher

message with the location of words from the book being used. In this mode, book ciphers are more properly called codes. This can have problems; if a word appears

https://en.wikipedia.org/wiki/Book cipher

2.Code Geass

Code Geass: Lelouch of the Rebellion (Japanese: コードギアス 反逆のルルーシュ, Hepburn: Kōdo Giasu: Hangyaku no Rurūshu), often referred to simply as Code Geass, is

https://en.wikipedia.org/wiki/Code Geass