Enjoy exchanging secret messages with friends. The reader can learn about poly-alpha ciphers, code grills, symbols, acrostics, invisible inks and special code words. The book includes a section on codes and ciphers in games and contests, and one on how to be a code-breaker.
Le informazioni nella sezione "Riassunto" possono far riferimento a edizioni diverse di questo titolo.
Da: WorldofBooks, Goring-By-Sea, WS, Regno Unito
Paperback. Condizione: Very Good. The book has been read, but is in excellent condition. Pages are intact and not marred by notes or highlighting. The spine remains undamaged. Codice articolo GOR008631223
Quantità: 1 disponibili
Da: WeBuyBooks, Rossendale, LANCS, Regno Unito
Condizione: Very Good. Most items will be dispatched the same or the next working day. A copy that has been read, but is in excellent condition. Pages are intact and not marred by notes or highlighting. The spine remains undamaged. Codice articolo rev4112219006
Quantità: 1 disponibili