Agatha Christie: Murder on the Orient Express Suchet to do voice acting for "Murder on the Orient Express", and said that his skillful voice acting would bring "tremendous excitement and authenticity" to the game. As with "And Then There Were None", Sheldon introduced a new character to the plot of "Murder on the Orient Express", who was not present in Christie's novel, in order to fulfill the role of a player character and protagonist. The character, Antoinette Marceau, is described by Sheldon as an amalgam of two characters from the novel. These were Poirot's friend who ran the Orient Express, Marcel Bouc, and a young soldier who
The Murder at the Vicarage does not participate in the investigation since his presence as the narrator was unnecessary in a filmed version. "The Murder at the Vicarage" was released by HarperCollins as a graphic novel adaptation on 20 May 2008, adapted and illustrated by "Norma" (Norbert Morandière) (). This was translated from the edition first published in France by in 2005 under the title of "L'Affaire Protheroe". The novel was first serialised in the US in the "Chicago Tribune" in fifty-five instalments from Monday, 18 August to Monday, 20 October 1930. The dedication of the book reads: "To Rosalind" The subject of this dedication