num_pages: 224
description: This book includes over 100 secret codes that at one point in history carried life-or-death messages. Here they are used in puzzles, just for fun. All kids need to break them is the ability to read and count -- and the determination to not give up
language: English
title: Secret Codes for Kids
titlecomplete: Secret Codes for Kids (Mensa)
ratings_count: 6
publisher: Scholastic Paperbacks