"After all ... tomorrow is another day."

Those are the last words of "Gone With the Wind," the Pulitzer Prize-winning novel by Atlanta native Margaret Mitchell. The novel's heroine, Scarlett O'Hara, made this proclamation, vowing to win back her husband Rhett Butler.

Fans who are clamoring to know what became of the troubled couple have an answer. Sort of.

Margert Mitchell letter photo
LION HEART AUTOGRAPHS

In a 1948 letter from Mitchell being auctioned Wednesday, the author reveals: "To me, the lives of my characters ended on the last page, and your guess is as good as mine as to what happened thereafter."

But, this isn't the first time Mitchell said she had no clue as to the fate of Scarlett and Rhett.

Last year, letters Mitchell had written to fans and pen pals were auctioned. In one, Mitchell admits, "Whether or not Rhett came back to his wife, well, you have me out on a limb. You see, I do not know myself. I honestly never thought about what happened to the characters after the book ended."

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