The Ialamic religion is based around the teachings of Muhammad. Muslems believe that he is a prophet. They also believe that Jesus and Moses were also prophets. The sacred text for Islam is the Quran. The Quran is the written teachings of the prophet Muhammad.
This is a pro-islam site. It's target audence is that of non-muslems. It trys to answer questions non-muslems have and explains what a person should do if he believes that Islam is true.
This is a Islamic apologetic site. It's goal is to show evidence for Islam and to answer and refute objections made by Christians. It also trys to disprove Christianity and show that Islam is a better religion.
Islam Guide- http://www.islam-guide.com/contents-wide.htm
This site provides basic information on the Islamic religion. Particularly, useful to non-Muslims is the evidence they have to support their belief.