Calibre is a powerful and easy to use e-book manager. It allows to do
nearly everything and it takes things a step beyond normal e-book
software. It's also completely free and open source and great for both
casual users and computer experts.

This script repackage the official binary tarball that includes all its
dependencies.

Version 7.16.0 is the latest version not requiring glibc 2.34,
which is not in Slackware 15.