Introduction to Islam

http://www.islam-guide.com/
http://islamicity.com/Mosque/uiatm/un_islam.htm
http://www.islamonline.net/english/discover/discover.shtml
http://english.islamway.com/invitation.php
http://alharamain.org/english/articles/acallforpeaceofmind.htm
http://thetruereligion.org/intro.htm