Agatha Christie's career writing detective novels was sparked by an argument with her sister. 

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Her sister didn't think she could do it. It's hard. Agatha said, "I should like to try."

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This photo-essay focuses on Mrs. Christie's career as an author and is based on Agatha Christie's autobiography:

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Christie, Agatha. An Autobiography. New York: Agatha Christie Ltd., 2010.

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To learn lots more about Agatha Christie, visit agathachristie.com