Use Calibre to read, convert and manage ebooks

If you need an application to read, convert and manage ebooks, I recommend you Calibre. Calibre is a free and open source e-book library management application developed by users of e-books for users of e-books. As a complete e-library solution it includes library management, format conversion, news feeds to e-book conversion and e-book reader synchronization. Currently the supported input formats are: MOBI, LIT, PRC, EPUB, ODT, HTML, CBR, CBZ, RTF, TXT, PDF and LRS.