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missing page info • first pub 1920 (editions)
ISBN/UID: None
Format: Hardcover
Language: English
Publisher: Grosset & Dunlap
Publication date: Not specified
Description
Join the Cryptokids as they apply basic mathematics to make and break secret codes. This book has many hands-on activities that have been tested in both classrooms and informal settings. Classic coding methods are discussed, such as Caesar, substi...
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missing page info • first pub 1920 (editions)
ISBN/UID: None
Format: Hardcover
Language: English
Publisher: Grosset & Dunlap
Publication date: Not specified
Description
Join the Cryptokids as they apply basic mathematics to make and break secret codes. This book has many hands-on activities that have been tested in both classrooms and informal settings. Classic coding methods are discussed, such as Caesar, substi...
Community Reviews
Content Warnings