Hardback (31 Aug 2000)
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This title covers the story from the early code-breaking efforts through the rickety structure of the pre-war Government Code and Cypher School to Bletchley Park where an organisation arose, unscrambling thousands of secret enemy messages every day.
| ISBN: | 9780850527476 |
| Publisher: | Leo Cooper |
| Imprint: | Leo Cooper |
| Pub date: | 31 Aug 2000 |
| DEWEY: | 940.548641 |
| DEWEY edition: | 21 |
| Number of pages: | 224 |
| Weight: | 485g |
| Height: | 230mm |
| Width: | 163mm |
| Spine width: | 22mm |
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Paperback
Published 15 Nov 2023
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Paperback
Published 31 Aug 2023
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