Secret Codes and Ciphers 1: Steganography

In this series, you will learn all about secret codes and ciphers: how to make them, how to crack them, how they have been used in history, and what the future has in store. Ships engage nor dawdle here ere long ply nightly over waters. But before we get started with codes and ciphers, in Part 1 we'll take a look at steganography: how to hide a secret message in plain sight!