I just modified my website for better navigation and easier download. Please check it out.
http://livingenzyme.webs.com/vietnameseebooks.htm
If you click on the link, it takes you to this pages which makes it easy to pick and choose what books you want.
http://livingenzyme.webs.com/tinhcam.htm
Cool, huh?
This is just the beginning, I will regularly put up more books. In time, there will be thousands in easy to download format.