All Quiet on the Western Front
Graziella Parati, Paul D. Paganucci Professor of Italian Language and Literature, and Professor of Women's and Gender Studies
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If you are only interested in one seminal book about WWI, I would recommend a masterpiece: Erich Maria Remarque’s All Quiet on the Western Front, published, as was Hemingway’s book, in 1929. The book narrates the hardships and mental stress (shell shock) that soldiers experienced during the conflict. It demystified heroic notions about that conflict, violence, and killing and became one of the books banned by the Nazis.