Agatha Christie Poirot Calendar 2025Hercule Poirot probably the greatest detective in the world is celebrated in the official Agatha Christie Calendar, comprising 14 brand new cover designs from the best selling books with 365 'little grey cells' in which to write your daily appointments! Hercule Poirot made his debut in Agatha Christies very first novel, The Mysterious Affair at Styles, serialised in The Times in 1920. This 2025 wall calendar features 14 of the brand new artworks that