•Why it earns a slot
Mrs. Dalloway pioneered the sustained interior-monologue novel in English, using the chime of Big Ben to stitch together two characters who never meet yet share the same existential terror, and its critique of post-war social conformity through the figures of Bradshaw and Septimus remains one of the most precise in twentieth-century fiction.
Over the course of a single June day in post-WWI London, Clarissa Dalloway prepares for an evening party while memories of her youth, her rejected suitor Peter Walsh, and her road not taken surface and recede. Running parallel is the story of Septimus Warren Smith, a shell-shocked veteran whose hallucinations and despair lead him to suicide just as Clarissa's party reaches its height. When news of the young man's death reaches Clarissa mid-party, she feels a strange kinship with him, sensing that his act of self-destruction preserved something she has slowly surrendered to social life.
This distillation is written from the freely available original, which is always the better read when you have the time: gutenberg.org.