Here are a few free resources available on Islam.
There are a lot of videos Christians have made about Islam, so here is a few links to YouTube videos for you to watch online:
If you know some Muslims personally and want some practical advice about how to share the Gospel with them, this 24 minute video should help you out:
Reaching Muslims Through Jesus (24 Minutes)
Not long ago there was a Muslim in America who left Islam for Christianity. His name was Nabeel Qureshi, and he wrote a book explaining why he chose Christianity over Islam. You can find the book with the link below:
There is also a 1 hour, 40 minute YouTube video a Christian made to share a detailed explanation of Islam, according to the teachings of the Quran. You can find the video on YouTube with the link below:
There is an evangelist online who knows Arabic and has studied the Quran for years.
His name is Christian Prince, and he talks to Muslims. Here are two videos – one video talking to a Muslim man, another video talking to a Muslim woman. Both of these videos give good examples of what to expect if you want to talk to Muslims.
Christian Prince versus Muslim Brother (1 hour 30 minutes)
Christian Prince with Muslim Sister (1 hour 20 minutes)