Histoire de l'hérésie des Albigeois, et de la sainte guerre entreprise contre eux de l'an 1203 à l'an 1218

A vivid chronicle brings listeners into the heart of the early‑13th‑century war waged by northern crusaders against the Cathar communities of Languedoc. Written by a monk who traveled with the forces of Simon de Montfort, the narrative follows the first years of the conflict, from the initial call for a “holy war” in 1203 through the fierce sieges and battles that shaped the region’s fate. The author’s close ties to the campaign’s leaders give the account an immediacy that makes the turmoil of those years feel almost palpable.

The work is as much a personal testimony as it is a historical record, marked by a fervent zeal and unmistakable partisanship. Its stark descriptions of massacres, public penances, and the daily life of crusading camps reveal both the brutality and the religious fervor driving the movement. Though clearly biased toward the crusaders, the detailed observations of places, incidents, and personalities provide a rare window into a pivotal and tragic chapter of medieval France.