The Murder of Roger Ackroyd is a work of crime detective fiction.
Detective fiction is a subgenre of crime fiction and mystery fiction in which an investigator or a detective -- either professional or amateur -- investigates a crime , often murder . The Murder of Roger Ackroyd is a work of detective fiction by Agatha Christie , first published in June 1926 in the United Kingdom by William Collins , Sons and in the United States by Dodd , Mead and Company on 19 June 1926 .