•Why it earns a slot
Why it earns a slot: it turned domestic poverty and a sister's death into bestselling drama without a villain in sight, proving that a book about chores, rejected marriage proposals, and a sickroom could outsell the adventure novels of its day.
Four sisters grow up poor in wartime Massachusetts, and each has to choose between what she wants and what her family needs.
This distillation is written from the freely available original, which is always the better read when you have the time: Project Gutenberg.