How many copies of Gone with the Wind have been sold?

Margaret Mitchell’s 1937 Pulitzer Prize winner Gone with the Wind has been translated into 27 languages and has sold over 20 million copies.

What was Judy Blume’s first book? Judy Blume's first book was Are You There God? It's Me, Margaret, published in 1970.
What is the name of the lover in D. H. Lawrence’s Lady Chatterley’s Lover (1928)? The name of the lover in D. H. Lawrence's Lady Chatterley's Lover was Oliver Mellors, gamekeeper for Lady Chatterley's husband.
Who wrote: “Laugh, and the world laughs with you,/ Weep, and you weep alone”? "Laugh, and the world laughs with you,/ Weep, and you weep alone" are the opening lines of the poem "Solitude" by Ella Wheeler Wilcox (1855-1919).
What poem is the source of the title of Robert Penn Warren’s World Enough and Time (1950)? Andrew Marvell's "To His Coy Mistress" (1681) is the source of the title of Robert Penn Warren's World Enough and Time.
Who wrote the screenplay for the original film version of Pygmalion (1938)? The play's author, George Bernard Shaw, who won an Oscar for his adaptation wrote the screenplay for the film Pygmalion.
Who first played Dr. Kildare in Interns Can’t Take Money? Joel McCrea first played Dr. Kildare, in Interns Can't Take Money (1937).