num_pages: 64
description: Containing everything a child needs to have fun making and breaking codes and ciphers, a book shows kids how to use everything from Pig Latin and Morse Code to invisible writing in order to mystify enemy spies.
language: English
title: How to Keep a Secret: Writing and Talking in Code
titlecomplete: How to Keep a Secret: Writing and Talking in Code
ratings_count: 6
publisher: Lothrop Lee & Shepard