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32 pages • first pub 1975 (editions)
ISBN/UID: 9780860200055
Format: Paperback
Language: English
Publisher: Usborne Publishing Ltd
Publication date: 01 May 1975
Description
"This book is all about keeping secrets. It shows you how to set up secret meeting places and a secret post office and how to disguise your messages. It shows you lots of secret codes and signals"--Page 2.
Community Reviews
Content Warnings
32 pages • first pub 1975 (editions)
ISBN/UID: 9780860200055
Format: Paperback
Language: English
Publisher: Usborne Publishing Ltd
Publication date: 01 May 1975
Description
"This book is all about keeping secrets. It shows you how to set up secret meeting places and a secret post office and how to disguise your messages. It shows you lots of secret codes and signals"--Page 2.
Community Reviews
Content Warnings