I'll be adding a links list and trying to find interesting sites and bits of information to pass along. This site has several links for text books as well as a link for Amazon. Fun and work combined. If you are looking for Manga or Anime, look on my Japanese Animation page, have fun and find what you need. Bob
The links below will take you to sites that sell textbooks and teaching material.
The Amazon site has everything from textbooks to DVDs as well as everything else in the world, and the last three sites two book sites and a magazine site. Hope you find what you want!
If you are looking for a good SiFi site, take a look at this SFSite .