Cryptologists
Subtitle: Life Making and Breaking Codes (Extreme Careers)
Edition: 1 edition
Publisher: Rosen Publishing Group
Published: August 2003
Language: eng
Format: Library binding
Number of pages: 64
ISBN-13: 9780823939657
Subjects: Vocational guidance; Children: Grades 2-3; Children's Books/Ages 4-8 Nonfiction; Business Writing; Careers - General; Cryptography; Juvenile literature