Detective Notebook: Secret Agent Codes
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Listen—do you want to know a secret? Then you’ve got to know the code, and this guide reveals what any youngster needs to know to become a secret agent kid. In a logical, easy-to-follow progression, it takes children from simple letter scrambling to more sophisticated systems that can baffle nosy adults. There’s plenty of space to write, too, so that budding spies can practice and perfect their work before moving to the next level. There’s the Pigpen Code (it’s as clear as mud to the uninitiated), the dots and dashes of Morse Code, and a fun technique based on little drawings of dancing men. Kids will also learn about the “decoder wheel,” professional codebreakers, hidden writing (including invisible ink), and much more.The author lives in Toronto, Ontario.

Series: Detective Notebook

Paperback: 96 pages

Publisher: Sterling (October 1, 2004)

Language: English

ISBN-10: 1402713991

ISBN-13: 978-1402713996

Product Dimensions: 4.6 x 6.8 x 0.4 inches

Shipping Weight: 8.5 ounces

Average Customer Review: 4.0 out of 5 stars  See all reviews (2 customer reviews)

Best Sellers Rank: #3,083,740 in Books (See Top 100 in Books) #71 in Books > Teens > Hobbies & Games > Games & Activities > Puzzles #2975 in Books > Teens > Education & Reference > Science & Technology

This is a great code book! It has tons of codes, all different. The only down side is that some of the codes are easy to break, but even those codes are still fun. Because a lot of the codes are either extremely creative or hard to break, this book is really worth your money! The codes are explained well, so they are easy to understand, though some you have to think about more than others. It's really fun to write secret messages to your friends! The hardest code in this book is called the Vigenere square and keyboard. It's my favorite. This book also has some interesting facts worked into it and more! I highly recommend this book!

This book is a good book to kill time with. It has some fun things to it. The part I didn't like is that it doesn't really look like a notebook it looks more like a small tablet of paper.

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