Break That Code (The Real Deal)
Publisher: Chelsea House Publications
Published: October 31, 2004
Language: eng
Format: Hardcover
Number of pages: 32
ISBN-13: 9780791084274
Subjects: Business Writing; Technology - How Things Work/Are Made; Juvenile Nonfiction; Children's Books/Ages 9-12 Science; Ciphers; Cryptography; Juvenile literature; Children: Grades 4-6