A pared-down list of personal favorites that I couldn't do without:
Tess of the D'Urbervilles (Thomas Hardy)
Jane Eyre (Charlotte Bronte)
Villette (Charlotte Bronte)
The End of the Affair (Graham Greene)
A Tree Grows in Brooklyn (Betty Smith)
The Remains of the Day (Kazuo Ishiguro)
Betsy and the Great World (Maud Hart Lovelace)
Pride and Prejudice (Jane Austen)