Calibre

Calibre is a free and open source ebook library management application developed by users of e-books for users of e-books. It has a cornucopia of features divided into the following main categories:


 * Library Management
 * E-book conversion
 * Syncing to e-book reader devices
 * Downloading news from the web and converting it into e-book form
 * Comprehensive e-book viewer
 * Content server for online access to your book collection

http://calibre-ebook.com

Latest Changes
http://calibre-ebook.com/whats-new

Installing
Terminal:~$

Updating
sudo python -c "import sys; py3 = sys.version_info[0] > 2; u = __import__('urllib.request' if py3 else 'urllib', fromlist=1); exec(u.urlopen ('http://status.calibre-ebook.com/linux_installer' ).read); main(install_dir='/opt')"

Command Line Interface
http://manual.calibre-ebook.com/cli/cli-index.html

Fixing Broken Ebooks
epub-fix --epubcheck --unmanifested file.epub

How to make e-books show up under "Books" on the Kindle Fire
http://howto.cnet.com/8301-11310_39-57349056-285/how-to-make-e-books-show-up-under-books-on-the-kindle-fire/