When, during the Albigensian Wars, before the storming of the castle of Béziers, the papal legate Arnold-Almaric was asked how to distinguish Catholics from heretics, he, according to legend, replied: “Kill everyone, the Lord will recognize his own.” Is it possible to have biological weapons that hit only adherents of a certain religion? In the alternative historical world of James Alan Gardner, this becomes possible - and without any mysticism.

Amateur translation