Kindle eBook sources other than Amazon
Based on the link above, there appears to be a ton of sources for books other than the Amazon store.
Since downloading the Kindle app for my iTouch (as I don't have a kindle …. yet) I've downloaded close to 10 free books and 2 sample chapters, all from the Amazon Kindle eBook Store. Last night, I couldn't quite fall asleep, instead of watching TV or playing video games like normal people, I read more articles on the kindle.
Some of the notable articles that kept me up into the wee hours of the night include: