This is part of a series of lectures on the sciences of Hadith delivered at the QSS center in the summer of 2007. In this lecture the speaker covers the topic of the preservation of the Sunnah. He also mentions a brief history of the major books of Hadith.
For more lectures by the speaker please go to: http://calltoislam.com/index.php?option=com_content&task=category§ionid=4&id=34&Itemid=26