The author surveys the development of French literature from its Latin-derived medieval origins through principal medieval genres—epic chansons de geste, Celtic-inspired romans bretons, satirical fabliaux and delicate chante-fables—showing how linguistic unity fostered clarity, realism and varied tones. He examines representative works and authors, traces the emergence of prose in the thirteenth century, and follows the uncertain, shifting currents between Montaigne's time and the rise of Louis XIV, arguing that this transitional period quietly prepared the conditions for the later flourishing of French poetry and prose.