Calibre is a library for ebooks. Calibre has a convenient interface, and files with e-books most of the formats, you can simply drag the application window. To edit metadata (title, genre, etc), just press the button on the toolbar and type the changes. You can select and change multiple books at the same time, for example, if you want to rearrange the books on the genre.
The tool window, reading e-books is also one button, which makes it much easier viewing. For readability, you can increase or decrease the font size, bookmark pages, and much more. You can configure Calibre to download news feeds, although sometimes a bit out of location elements. In addition, of course, provides synchronization e-books, so you can continue reading from the same page where you left off, regardless of the device.
Installation into Linux Mint:
sudo apt-get install calibre
calibre has a binary install that includes private versions of all its dependencies. It runs on 32-bit and 64-bit Intel compatible machines. To install or upgrade, simply copy paste the following command into a terminal and press Enter:
sudo -v && wget -nv -O- https://raw.githubusercontent.com/kovidgoyal/calibre/master/setup/linux-installer.py | sudo python -c "import sys; main=lambda:sys.stderr.write('Download failed\n'); exec(sys.stdin.read()); main()"