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The Book of Codes: Understanding the World of Hidden Messages, An Illustrated Guide to Signs, Symbols, Ciphers, and Secret Languages $19.77 50 used & new from $18.97 (9)	Introducing Visual C# 2010 (Expert's Voice in .NET) $26.02 36 used & new from $23.02 (6)	24 Deadly Sins of Software Security: Programming Flaws and How to Fix Them $27.28 56 used & new from $15.98 (3)	Readings & Cases in Information Security: Law & Ethics $34.44 56 used & new from $19.74
Linux All-in-One For Dummies $24.34 52 used & new from $21.31 (14)	Secrets and Lies: Digital Security in a Networked World $10.92 100 used & new from $1.32 (132)	Microsoft SQL Server 2008 Bible $31.49 60 used & new from $25.00 (10)	Steganography: Hiding in Plain Sight $1.00
MCTS Self-Paced Training Kit (Exam 70-536): Microsoft® .NET Framework Application Development Foundation, Second edition $41.36 79 used & new from $9.99 (39)	Hacking Exposed: Network Security Secrets and Solutions, Sixth Edition $29.33 92 used & new from $18.95 (100)	70-680: Windows 7 Configuration, Textbook (Microsoft Official Academic Course Series) $93.36 44 used & new from $34.52 (1)	Humorous Cryptograms $7.95 76 used & new from $0.12 (15)

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