calibre is a powerful and easy to use e-book manager. It’s free and open source application.
It’ll allow you to do nearly everything and it takes things a step beyond normal e-book software.
If you would like to learn about Calibre, refer the following link.
What’s New in this release?
Added support for new Kobo firmware.
PDF hang issue has been fixed, it’s happening when converting some documents.
Fixed a regression in the previous release that broke using the wireless device driver with the “device_for_template” option
Amazon metadata download: Fix some downloads failing when a mobile user agent is randomly selected.
LRF Input: Fix a regression that broke parsing LRF files.
PDF Input: Workaround for pdftohtml not always producing valid UTF-8.
Edit metadata dialog: Remember relative sizes of the cover and comments editors.