Essai Sur La G?(c)ographie Physique, Le Climat Et L'histoire Naturelle Du D?(c)partement Du Doubs is a detailed exploration of the Doubs department in France. Authored by Justin Girod-Chantrans, this work delves into the region's physical geography, climate, and natural history. Approved by the Classe des Sciences Physiques et Math?(c)matiques de l'Institut, the book includes an enriched cryptogamy section, featuring descriptions of previously unclassified species. This essai offers valuable insights into the environmental characteristics of the Doubs, making it an essential resource for historians, naturalists, and anyone interested in the regional geography of France.