Introduction
Y
ou may have picked up this book for any number of rea-
sons. Perhaps you really like trying to crack the codes
in Dan Brown’s novels. Maybe you liked playing with secret
decoder rings pulled from boxes of cereal as a kid. Perhaps
you were the kind of person who as a youngster liked to share
secret, coded messages with your friends. Then again, you
may be one of the many adults who likes to exercise your
brain with the challenge of making and breaking encrypted
messages. Or maybe you’re just a professional espionage
agent who’s looking for tips and some recreation. (Hey, it’s a
tough life. Spies need fun, too.)
In Cracking Codes & Cryptograms For Dummies you can find
fun, recreation, challenges for your brain, and information for
your mind. The puzzles in this book immerse you in a world
like the one in Dan Brown’s The Lost Symbol (published by
Doubleday Books), where conspirators in the United States
have labored for centuries to keep some secrets hidden dark
and deep. (But can anything stay secret . . . ?)
About This Book
Cracking Codes & Cryptograms For Dummies offers you the
chance to use cryptography, cipher keys, symbols, and
codes to reveal the narrative of three conspiracy stories,
piece by piece and puzzle by puzzle. In this book, you’re the
symbologist; we give you everything you need to uncover
the mysteries we set up in Chapter 3, and along the way we
tell you about the use of codes and cryptograms in the world
of secret societies.
The great thing is that you can solve the puzzles in this book
in any order. Do them just for fun at your leisure. Tackle only
the Easy puzzles (or only the Treacherous puzzles if you
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