Includes bibliographical references (pages 46-47) and index
Contents:
The story of World War II -- The need for secrecy -- Garbo -- Agent Zigzag -- US spies -- Code breakers -- The Enigma machine -- The Tunny machine -- U.S. code breaking -- The importance of spies and code breaking
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.