Books
 William Shakespeare and Agatha Christie are considered the best-selling authors of all time. Shakespeare is estimated to have sold between 2–4 billion copies of his 42 books. Christie is estimated to have sold as many as 4 billion copies of her more than 70 works
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Gary's Favorite Books6 Products
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Horror25 Products
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Science Fiction1,662 Products
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Fantasy1,202 Products
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Full Series26 Products
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Mystery137 Products
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Thrillers243 Products
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Literary Fiction3 Products
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Romance2 Products
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Historical fiction110 Products
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Classic Books14 Products
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Non-Fiction11 Products
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Westerns56 Products