Includes bibliographical references (p. 109-110) and index.
Describes how the American military in World War II used a group of Navajo Indians to create an indecipherable code based on their native language.
0802781829 (C) : 14.95 0802781837 (R)
92011408 /AC
World War, 1939-1945--Cryptography--Juvenile literature. World War, 1939-1945--Participation, Indian--Juvenile literature. Navajo Indians--Juvenile literature. World War, 1939-1945--Participation, Indian. Cryptography. Navajo Indians. Indians of North America