When Ricky McCormick’s body was discovered in a Missouri cornfield in 1999, police officers discovered something unusual in his pockets: Two curious notes that appeared to be written in code. If ...

Declaration of truth in reviewing: I have never wanted to make a code in my entire life. Truth of reading experience: This book made me want to start my own codemaker’s field kit. There’s something ...

You could do worse than to confuse the meanings of "code" and "cipher"—even cryptographers sometime use the terms as though they had the same meaning. There is, however, a definite distinction between ...