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.
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Vendeur : WorldofBooks, Goring-By-Sea, WS, Royaume-Uni
Paperback. Etat : 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. N° de réf. du vendeur GOR008631223
Quantité disponible : 1 disponible(s)
Vendeur : WeBuyBooks, Rossendale, LANCS, Royaume-Uni
Etat : 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. N° de réf. du vendeur rev4112219006
Quantité disponible : 1 disponible(s)