Tatakau Shisho (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 as of January 22, 2010, ten volumes have been published by Shueisha under their Super Dash Bunko label. A manga adaptation by Kokonotsu Shinohara was serialized in Shueisha's Internet-based manga magazine Ultra Jump Egg between March 2008 and October 2009. An anime adaptation, The Book of Bantorra began airing in Japan on October 2, 2009. In 2012, the anime series was licensed for distribution in North America by Sentai Filmworks.
In a world where dead people turn into books and are stored in the Bantorra Library where anyone who reads a book can learn their past, Bantorra Library is maintained by Armed Librarians who wield psychic powers and their enemy is a religious society known as Sindeki Kyoudan.