As glued to the net as we all are, there's vast quantities of content that is not available online.
A cheap casioppeia allows me to read ebooks around 2001.
The Kindle supports Mobipocket files directly. You don't need to write a script to do that.
Use Mobipocket software to convert PDFs to that format so you can read them on Kindle.
A revolutionary portable reader that wirelessly downloads books, newspapers, magazines and blogs to a crisp, high-resolution electronic paper display that looks and reads like real paper, even in bright sunlight.