@ChristopherTD Yes please. If you find books that cause problems, send them over to Marvin's support email address so I get them fixed.
* Yes, showing the file size is a brilliant idea. I noted it down.
* The way the icons are shown on top will change soon.
* I'm working on shelves and they'll be great.
@hbtaylor Caching is a problem in 1.2. I've already submitted the next update to Apple. You should have it soon. I've also added a couple of cool new features. Check them out here: http://marvinapp.com/whatsnew.html