Seeing as everyone is starting school,
here some sites you can use to grab textbooks.
Granted, they don't have all textbooks.

http://bib.tiera.ru/static
http://ebooklink.net/g/home/
http://avaxhome.ws/ebooks/science_books

If anybody got ebooks/pdfs for classes this year, you'd be helping out the community a ton by uploading them and posting them.