/usr/lib/libebook-1.2.so is in libebook1.2-dev 3.12.9~git20141128.5242b0-2+deb8u3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libebook-1.2.so.14.3.1
/usr/lib/libebook-1.2.so.14.3.1