The writings in this volume range from Beauvoir's surprising 1952 defense of the misogynistic eighteenth-century pornographer, the Marquis de Sade, to a co-written 1974 documentary film, transcribed here for the first time, which draws on Beauvoir's analysis of how socioeconomic privilege shapes the biological reality of aging. The volume traces nearly three decades of Beauvoir's leftist political engagement, from exposés of conditions in fascist Spain and Portugal in 1945 and hard-hitting attacks on right-wing French intellectuals in the 1950s, to the 1962 defense of an Algerian freedom fighter, Djamila Boupacha, and a 1975 article arguing for what is now called the "two-state solution" in Israel. Together these texts prefigure Beauvoir's later feminist activism and provide a new interpretive context for reading her multi-volume autobiography, while also shedding new light on French intellectual history during the turbulent era of decolonization.