A comprehensive and intelligent video series complied by Indiana State University can be found here. You'll need to install Silverlight to watch the videos. Silverlight is the same software used on Netflix.
As all content becomes available on the web for free, it's no wonder schools refuse to buy textbooks. In 20 years I suppose you will see retro images of kids reading from a book at their desk and laugh, but I still need to have a book in hand to actually study.
If you want a supplemental video series to complement your textbook, the above link is very good. My textbooks, were bought almost 10 years ago. Monies that used to buy books now are used else where. It's no wonder that educational reformers want to return to basics. The average kid reads two paragraphs before clicking off the site.