The Phi Beta Kappa book awards are given annually to three outstanding scholarly books published in the United States. 2019’s winners are Imani Perry for Looking for Lorraine: the Radiant and Radical Life of Lorraine Hansberry; Adam Frank, for Light of the Stars: Alien Worlds and the Fate of the Earth; and Sarah Igo for The Known Citizen: A History of Privacy in Modern America. They revealed their thinking behind the works we celebrated and shared stories of unmatched discovery, spoke of love beyond adversity, and fueled our collective imagination with examples of unbound human curiosity.