Persuasion by Jane Austen
Years separated Anne and Captain Wentworth, but their love may have a second chance, if bitterness and reticence do not part them forever.
Lancelot: The Knight of the Cart by Chrétien de Troyes
(Technically an epic poem, but reads like a novella.)
Lancelot sacrifices his honor and suffers an arduous journey to rescue the abducted Queen Guinevere–the lady he loves more than his own life.
The Turn of the Screw by Henry James
Ghost Story/Psychological Thriller
An inexperienced governess detects supernatural forces preying upon the two children in her care, but are the ghosts real, or imagined?