Super Little Giant Book of Secret Codes pdf epub mobi txt 电子书下载 2024

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Lambert, David

Sterling Pub Co Inc

2007-1

287

$ 7.85

Pap

9781402737398

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发表于2024-09-23

Super Little Giant Book of Secret Codes epub 下载 mobi 下载 pdf 下载 txt 电子书下载 2024

Super Little Giant Book of Secret Codes pdf epub mobi txt 电子书下载 2024

图书描述

Kids love secret codes, because it allows them to send special private messages to their friends...and outwit adults. And this "Super Little Giant(TM)" offers dozens of intriguing and colorfully displayed choices, with an easy-to-follow explanation of each system, a history of its development, and illustrations that show just how the code works. Some of the codes are well-known, including Morse, with its dots and dashes. Others are more rare, such as an ancient transposition cipher where the sender writes the message on a paper wrapped around a tube or stick. And artistic types will really enjoy the "dancing men" cryptogram, which has 26 drawn figures in different positions corresponding to the letters of the alphabet.

Super Little Giant Book of Secret Codes 下载 mobi epub pdf txt 电子书