A KDE thumbnail generator for the ePub file format. Since 1.0.9 (beta) release it works with KDE Frameworks 5, for KDE 4 just keep using 1.0 stable release.
https://store.kde.org/p/1081101/
mkdir build
cd build
cmake -DKDE_INSTALL_USE_QT_SYS_PATHS=ON -DCMAKE_INSTALL_PREFIX=`kf5-config --prefix` ..
make
sudo make install
kbuildsycoca5
mkdir build
cd build
cmake -DCMAKE_INSTALL_PREFIX=`kde4-config --prefix` ..
make
sudo make install
kbuildsycoca4