Here's the quick refresher on e-files, downloads and what to do with them.

1. pick a device. Your computer will do. Download the offered file and store it. It's about the size, as Sweetbo pointed out, of an MP3 download.

2. unzip it: just click on it. You will find 11 types of files (I think.) Now…

3. go to our left sidebar and download both Mobipocket Reader and Calibre. Calibre can be useful later.

4. click on the file labeled mobi or .prc (same thing).

5. Mobipocket Reader will automatically open and start displaying the e-book for you.

That's the short version. If...