Who broke the wartime codes?
By: Nicola Barber
Series: Primary source detectives; Primary source detectives
Published: 2014
Language: eng
Number of pages: 64
ISBN-13: 9781432996062; 9781432996130
Subjects: World War, 1939-1945; Cryptography; Electronic intelligence; Juvenile literature; Cryptographers; History
Description: This account of the Allied efforts to decode Axis messages and keep the success of their efforts secret describes the men and women behind the scenes, as well as the institutions they served and the early computers devised for the purpose.
Notes: Includes bibliographical references (page 62) and index.

Accelerated Reader MG 8.0 2 2 166989
Table of contents: title: A daring raid; title: What were wartime codes?; title: Who wanted to break them?; title: What sort of people were they?; title: What did they do to break the codes?; title: Who used the information they found?; title: What happened to the code-breakers after the war?; title: Why was their work significant?