If you go into fullscreen reading mode, there will be an icon that will bring up a list of functions near the top right. At the bottom of that list is a download option. Don't ask why it has to be done that way, I have no clue, but its kinda secretly hidden. I do have a dropbox that I can offer you a link to, however, but it is not complete. I will get on that asap, as well as uploading a torrent