I got a Kindle for my birthday. One of the first things I realized when I started using it was that more than likely I will scratch it or someone will end up standing on it inadvertently or my keys may attack it in my purse. I looked at all the covers online, they are beautiful and functional and expensive. I don't really want to invest in one right now, so I started searching online for a cover idea and there are a lot of them out there. I ended up doing a mix of them.
I went to the Salvation Army and bought a hardcover children's book that was slightly wider and taller but about the same width as the Kindle. I brought it home and removed the pages from the binding. Then I took a fat quarter and put a fold on one end, and sewed the wrong sides together. Slipped in my book cover, sewed along the edge of the book, folded in the ends and sewed the whole thing close. I had piece of elastic from an old coupon book and inserted it into a small button hole and put on a button. Those are general instructions, if you need more, email me and I'll try to be more specific.