I download most of my books for free using a torrent search engine to find them and a torrent client to download them, and read them on my phone.I had no idea, m'lady has an amazon thing with kindle (no idea what it is called), will have a look through there - anything to help the budget these days
torrent search engine: 1337x.to
torrent download client: deluge, utorrent, bittorrent, or transmission
eBook reader app: ReadEra