calibre software package provides e-book converter and library management, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install calibre
calibre is installed in your system.
Make ensure the calibre package were installed using the commands given below,
$ sudo dpkg-query -l | grep calibre *
You will get with calibre package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Text Processing |
| Package | calibre |
| Version | 1.25.0+dfsg-1build1 |
| Description | e-book converter and library management |
| Sub Section | Text |