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After reading 1597 websites, we found 2 different results for "Who wrote The Mysterious Affair at Styles"

Agatha Christie

Agatha Christie had written The Mysterious Affair at Styles in the middle of the First World War, in 1916, but the First World War was not published until several years later.

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a murder mystery which was written by Dame Agatha Christie featuring the Belgian neat-a-holic, Hercule Poirot

The Mysterious Affair at Styles is a murder mystery which was written by Dame Agatha Christie featuring the Belgian neat-a-holic, Hercule Poirot.

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