disturbed66:I have just completed a 5,000 word essay on anime and manga, I tihkn there may be some points in there to help you, would you like me to email it to you?
For example manga has exsisted in it's most basic form since the 10th century, in the form of emakimono, or 'picture scrolls' which were privately view by the rich. Having exisisted for over 1000 years it is clear anime/manga is not a trend.