"Armed Librarians") is a Japanese light novel series written by Ishio Yamagata and illustrated by Shigeki Maeshima.

The Bantorra Library is maintained by the Armed Librarians, who are trained in combat and wield supernatural abilities.

Their enemy is a globally active cult known as the Shindeki Church, led by the so-called True Men, who hold the fulfillment of their personal desires above all else.

The story does not feature an obvious main protagonist, instead following a large number of characters, primarily members of the Armed Librarians.

Beginning with their assault on a ship owned by the Shindeki Church carrying brainwashed slaves implanted with explosives, Tatakau Shisho chronicles the ongoing conflict between the members of the Bantorra Library and their enemies, alongside the fates of the various characters involved in it, past and present.