For 10 points, name this novel by Leo Tolstoy.
One character in this novel is upset that his riding horse Frou-Frou must be killed after a riding accident. A marriage in this novel is threatened when the husband's brother Nikolai is revealed to be dying of consumption, though that couple, Kitty and Levin, had earlier hit a roadblock when Kitty refused to accept Levin as her suitor. The title character engages in a lengthy affair with Count (*) Vronsky before committing suicide near this work's end. For 10 points, name this novel by Leo Tolstoy.
One character in this novel is upset that his riding horse Frou-Frou must be killed after a riding accident.
{Anna Karenina}