Tatakau ShishoTatakau Shisho.

Tatakau Shisho (Japanese: 戦う司書; lit. "Armed Librarians") is a Japanese light novel series written by Ishio Yamagata and illustrated by Shigeki Maeshima. The series started with the release of the first volume on September 22, 2005, and by January 22, 2010, ten volumes had been published by Shueisha under its Super Dash Bunko label.