Code Busters!
Type
Book
Authors
ISBN 10
0807512354
ISBN 13
9780807512357
Category
Fiction
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Publication Year
1985
Publisher
Pages
32
Tags
Description
Describes how messages can be disguised by dots and boxes, skyscrapers of color, upper-case letters and lower, phone numbers, musical flags, computer printouts, and card decks - from Amzon
Number of Copies
1
