The topic of the colloquium that brings us together, risa and plentiful, allowed us to read with renewed interest the work of the friend of Cervantes, Antonio de Sosa, whose captivity in Algiers coincided with that of the captive illustration between 1580 and 1585, according to his testimony in Algiers’ information. The parenthood of Algiers’ Topographia, attributed for centuries to Diego de Haedo and today to Antonio de Sosa, has a third less known, more literary than historical, part of the martyr dialogue. It appears...