"El Tresor del Vell Cavaller" by Erckmann-Chatrian is a novel written in the late 19th century. This story revolves around the main character, Nicklausse, a humble coachman who dreams of finding a treasure based on a vision he experiences one night. The narrative explores themes of hope, ambition, and the quest for fortune amidst a backdrop of superstitions and the complexities of life in a small town. The opening of the novel introduces us to Mr. Furbach, a respectable bookseller in Munich, who is disturbed by strange noises from the attic of his house. The source is revealed to be Nicklausse, who wakes up filled with urgency after dreaming of a treasure hidden in an old castle. Nicklausse explains his vision to Mr. Furbach, who is doubtful but curious about the young man's fervor and determination. As he expresses his desire to leave his job and seek the treasure, the book sets the stage for a journey filled with anticipation and the uncertainty of what lies ahead, both in Nicklausse's fate and the potential discovery of riches. This Catalan-language digital edition is prepared with active navigation, clean typography, a custom cover and a reading file stripped of source-site notices, donation text and unnecessary external links.