Paradise Lost, Gravity's Rainbow, Middlemarch, and 2666. edit: The short stories which have stuck with me the most over the years are probably Joyce's "The Dea

Paradise Lost, Gravity's Rainbow, Middlemarch, and 2666. edit: The short stories which have stuck with me the most over the years are probably Joyce's "The Dead," O'Connor's "Good Country People," and a solid half of Borges's "Ficciones."