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32 pages • first pub 1985 (view editions)
ISBN/UID: 9780807512357
Format: Hardcover
Language: English
Publisher: Albert Whitman & Company
Edition Pub 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
Content Warnings
32 pages • first pub 1985 (view editions)
ISBN/UID: 9780807512357
Format: Hardcover
Language: English
Publisher: Albert Whitman & Company
Edition Pub 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
Content Warnings