/usr/lib/x86_64-linux-gnu/libe-book-0.1.so.1 is in libe-book-0.1-1 0.1.3-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libe-book-0.1.so.1.0.3
/usr/lib/x86_64-linux-gnu/libe-book-0.1.so.1.0.3