Crow Lake (2002) by Canadian Mary Lawson tells the story of a family of 4 siblings after the death of their parents.

Luke, the oldest of the 4, gives up a plan to become a teacher so he can stay at home and care for his youngest siblings, while the 2nd oldest, Matt, gets to finish school.

The narrator is Kate, 7 when her parents died and now a successful academic. She thinks she's outgrown her siblings but ...