Each part is about 10 minutes long and will take about 10-15 minutes to download on a 56k dial up connection. For hi speed connections the download time should be from 1-3 minutes for each 10 meg audio file. The audio file are progressively encoded and should start playing before they are completely loaded from the site if your MP3 audio player preferences are set for streaming media. There is no video on the site....yet!
Click on the topic in the navigation bar at the left of this page to find the series you need.