Publisher's Synopsis
Discusses and provides practice in making and breaking codes and ciphers, as well as in building simple coding devices to transmit secret messages.
Book (31 Dec 1984)
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Discusses and provides practice in making and breaking codes and ciphers, as well as in building simple coding devices to transmit secret messages.
ISBN: | 9780027478105 |
Publisher: | Macmillan |
Imprint: | Macmillan |
Pub date: | 31 Dec 1984 |
DEWEY: | 001.5436 |
DEWEY edition: | 19 |
Language: | English |
Number of pages: | 108 |
Weight: | 318g |
Height: | 243mm |
Width: | 162mm |
Spine width: | 17mm |