check out http://Whyislam.org to learn more about Islam.

"Islam is an Abrahamic monotheistic religion teaching that there is only one God (Allah) and that Muhammad is the messenger of God. It is the world's second-largest religion and the fastest-growing major religion in the world, with over 1.8 billion followers or 24.1% of the global population, known as Muslims. Muslims make up a majority of the population in 50 countries." - wikipedia