
4.50 from Paddington is a detective fiction novel by Agatha Christie, first published in November 1957 by Collins Crime Club. This work was published in the United States at the same time as What Mrs McGillicuddy Saw!, by Dodd, Mead. The novel was published in serial form before the book was released in each nation, and under different titles. The US edition retailed at $2.95.

Agatha Christie: And Then There Were None is a 2005 point-and-click adventure game developed by AWE Productions and published by The Adventure Company for Microsoft Windows. It was the first in The Adventure Company's Agatha Christie series. The game is a detective murder-mystery; it begins with nine people, including Patrick Narracott, the playable character, who meet and journey to the fictional Shipwreck (Soldier) Island. There, two additional onscreen characters are introduced, and the story then follows the events that unfold.

Dead Man's Folly is a work of detective fiction by Agatha Christie, first published in the US by Dodd, Mead and Company in October 1956 and in the UK by the Collins Crime Club on 5 November of the same year. The US edition retailed at $2.95 and the UK edition at twelve shillings and sixpence (12/6). It features Hercule Poirot and Ariadne Oliver.

Death on the Nile is a work of detective fiction by British writer Agatha Christie, published in the UK by the Collins Crime Club on 1 November 1937 and in the US by Dodd, Mead and Company the following year. The UK edition retailed at seven shillings and sixpence (7/6) and the US edition at $2.00.

Agatha Christie: Evil Under the Sun is a video game by American studio AWE Productions released for the Windows and Nintendo Wii, and is the third installment of The Adventure Company's Agatha Christie series, developed by AWE Productions, based on Agatha Christie's 1941 novel Evil Under the Sun. The Windows version was released in 2007, and the Wii version one year later.

Agatha Christie: Murder on the Orient Express is a 2006 adventure game developed by AWE Productions and published by The Adventure Company for Microsoft Windows. It is the second installment in The Adventure Company's Agatha Christie series. The setting is five years before the events in Agatha Christie: And Then There Were None, with a largely unrelated storyline. The plot follows an amateur sleuth, Antoinette Marceau, and her investigation of a murder with twelve possible suspects aboard the Orient Express, which has been blocked by an avalanche in the Kingdom of Yugoslavia during 1934. She is aided by famous detective Hercule Poirot.

Peril at End House is a work of detective fiction by British writer Agatha Christie, first published in the US by the Dodd, Mead and Company in February 1932 and in the UK by the Collins Crime Club in March of the same year. The US edition retailed at $2.00 and the UK edition at seven shillings and sixpence (7/6).