Ed Tittel is a full-time freelance writer, trainer, and consultant who specializes in information security, markup languages, and networking technologies. He is a regular contributor to numerous TechTarget websites; teaches online security and technology courses for HP; and writes regularly for Tom's Hardware and ITExpertVoice.Ed has contributed to over 100 books on various computing subjects, including a dozen different titles in the ...For Dummies series. He is probably best known for creating the Exam Cram series of IT certification prep books in 1997, and for having edited that series from 1997 until 2006. Ed's best-selling titles include "HTML, XHTML and CSS For Dummies" (soon to go into a 7th edition, for a cumulative total of 13 editions of HTML For Dummies titles he's worked on), "The Guide to TCP/IP" (which he co-authored with protocol expert Laura Chappell), "Windows Server 2008 For Dummies," and "Networking Essentials." He's also written numerous titles on security including the "CISSP Study Guide" (4th edition, with co-authors James Michael Stewart and Mike Chapple), "The PC Magazine Guide to Fighting Spyware, Viruses, and Malware," and the "TISCA Training Guide."For more information on Ed, please visit his personal Website at www.edtittel.com. You can also visit his profile on LinkedIn at http://www.linkedin.com/in/edtittel to get information about various blogs and other activities.