An introduction to simple codes and cyphers for children, including a history of codes.
"synopsis" may belong to another edition of this title.
Seller: Eric James, Lewisporte, NL, Canada
Soft Cover. Condition: Very Good ++. Trade paperback, later (1973) printing, 115 pages including drawings; tiny traces of shelf wear and creasing accumulated over the decades, otherwise in very clean and unmarked condition, very gently read, if at all. Seller Inventory # 043251
Seller: Hawking Books, Edgewood, TX, U.S.A.
Condition: Very Good. Very Good Condition. Has some wear. Five star seller - Buy with confidence! Seller Inventory # X0590025856X2