American Historian, William Federer, has done extensive research on Islam. History does not lie - Islam has been violent since it’s inception.
His webpage: http://americanminute.com/ has extensive easy-to-read articles in the 2014 Archives.
DVD Islamic Conquest-Past & Present -A captivating series of five 30-minute programs
http://www.americanminute.com/store/product.php?productid=5&cat=3&page=1
eBook - What Every American Needs to Know About The Qur’an (pdf file)
http://www.americanminute.com/store/product.php?productid=3&cat=2&page=2
Then this article will provide interesting new insight.