$ sudo apt-get update
$ sudo apt-get install kdegraphics-mobipocket 

kdegraphics-mobipocket is installed in your system.

Make ensure the kdegraphics-mobipocket package were installed using the commands given below,

$ sudo dpkg-query -l | grep kdegraphics-mobipocket *

You will get with kdegraphics-mobipocket package name, version, architecture and description in a table

kdegraphics-mobipocket package basic information: