To Write As If Already Dead circles around Kate Zambreno’s failed attempts to write a study of Hervé Guibert’s To the Friend Who Did Not Save My Life. In this diaristic, transgressive work, the first in a cycle written in the years preceding his death, Guibert documents with speed and intensity his diagnosis and disintegration from AIDS and elegizes a character based on Michel Foucault. The first half of To Write As If Already Dead is a novella in the mode of a detective story, searching after the mysterious disappearance of an online friendship after an intense dialogue on anonymity, names, language, and connection. The second half, a notebook documenting the doubled history of two bodies amid another historical plague, continues the meditation on friendship, solitude, time, mortality, precarity, art, and literature. Throughout this rigorous, mischievous, thrilling not-quite study, Guibert lingers as a ghost companion. Zambreno, who has been pushing the boundaries of literary form