Publisher's Synopsis
Explains how to make codes, gives some established codes, and provides storie and exercises to practice deciphering.
Paperback (01 Jan 1983)
Not available for sale
Out of stock
Explains how to make codes, gives some established codes, and provides storie and exercises to practice deciphering.
ISBN: | 9780394852317 |
Publisher: | Random House/Children's Television Workshop |
Imprint: | Random House/Children's Television Workshop |
Pub date: | 01 Jan 1983 |
DEWEY: | 001.5436 |
DEWEY edition: | 19 |
Language: | English |
Number of pages: | 64 |
Weight: | -1g |