18th-century French literature classic example is "Histoire de Gil Blas de Santillane" by Alain-René Lesage (1715). The novel of the imagination pictured life centuries in the future; "L'An 2440, rêve s'il en fut jamais" (The year 2440 - dream of all dreams) by Mercier (1771); or stories of fantasy "le Diable amoureux" (The Devil in Love) of Jacques Cazotte (1772). The libertine, or erotic novel, featured eroticism, seduction, manipulation, and social intrigue. Classic examples are "Les Liaisons dangereuses" ("Dangerous Liaisons") by Pierre Choderlos de Laclos (1782); ("Justine ou les Malheurs de la vertu" ("Justine or the misfortunes of virtue") by Donatien Alphonse François
Paris in the 18th century in the Marais averaged about a thousand square meters, those in the Faubourg Saint-Antoine in the 18th century averaged more than two thousand square meters, although some mansions in the Marais were still considered very large, like the Hotel de Soubise, the Hotel de Sully, and the Hotel Carnavalet, which is now a museum. The Hotel Matignon in the Faubourg Saint-Germain (now the residence and office of the Prime Minister), built in 1721, occupied 4,800 square meters, including its buildings and courtyards, plus a garden of 18,900 square meters. In the center of the city, a typical residential building, following