There are two formats available - .azw (second column) and .epub (third column). To download a file, simply click on the image in the correct column and then select "Save File" (Firefox) or "Save" (IE) onto your computer. From there you can then transfer your file to your ereader. To get many more free ebooks go to Many Books.
Title Kindle format ePub format
Treasure Island Oliver Twist Pride and Prejudice Moby Dick Huckleberry Finn