Looking for aeronautical engineering resources

We have a friend who is studying aeronautical engineering at the undergraduate level. My husband is on a mission to dig up good blogs, websites, and books for the fellow.

I'm slightly out of my element here. Help, please.

UPDATE: March 26, 2005. I've found a website run by NASA, which has an "Improving Flight" section, run by the imposing sounding Aeronautics Research Mission Directorate. See: http://www.nasa.gov/vision/earth/improvingflight/index.html

We're still looking for more.