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32 pages • first pub 1985 (editions)
ISBN/UID: 9780807512357
Format: Hardcover
Language: English
Publisher: Albert Whitman & Company
Publication date: 01 August 1985
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
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32 pages • first pub 1985 (editions)
ISBN/UID: 9780807512357
Format: Hardcover
Language: English
Publisher: Albert Whitman & Company
Publication date: 01 August 1985
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
Community Reviews Summary of 1 rating
Average rating
Content Warnings
This book doesn't have any content warnings yet!
If you're the author of this book and want to add author-approved content warnings, please email us at [email protected] to request the content warning form.