Theodor W. Adorno and Gerhard Scholem met in New York on the cusp of the 20th century's descent into the Holocaust, whose consequences and chaotic aftermath they would relentlessly submit to the analytic scruutiny borne of their prolific correspondence. Appearing in English for the first time, this complete collection of their letters lays bare a friendship and intellectual partnership upon which the scars of modernity are writ large.