Codes and Ciphers > Editions
by Mark Fowler First published September 1st 1992
            Published December 31st 1995
              by Usborne Publishing Ltd
          
        
          Paperback, 48 pages
        
        
        
      
            Published January 28th 1995
              by Edc Pub
          
        
          Library Binding, 48 pages
        
        
        
      


