Meanwhile over 50 scholars have claimed to have solved the Voynich Manuscript. The latest alleged solution was published earlier this week in a renowned literature magazine. Does it make sense?

Some of the crypto mysteries I recently introduced on this blog were quite tough. As a change, here are a few easier ones from a 19th century children’s magazine.

Fascinating stories about hidden messages in texts, pictures and other objects – this is what my new book “Versteckte Botschaften” is about. Here are some of the highlights of this work.

An encrypted message from 1939, sent from the German battleship Schleswig-Holstein to an address in Kiel, Germany, waits to be solved. Can a reader help?