At Night All Blood Is Black (Farrar, Straus and Giroux, 2020; transl. Anna Moschovakis), shortlisted for the 2021 International Booker Prize, is a slender, vivid, wildly-imagined novella on the lives fractured by colonisation and war, the second novel by the France-based Senegalese author David Diop. Less novella and more continuous prose-poem, the book loops and curls, with