France during World War I, and charts his descent into madness on the battlefield.British author Lucy Hughes-Hallett, who chaired the judging panel, said the “hypnotically compelling” book was both “appalling” and poetic, “entering the reader’s consciousness at a level that bypasses rationality and transcends the subject matter.”“You have to read this book and you will come away from it changed,” she said.Diop’s novel was chosen by majority decision of the five judges over contenders including