The Agatha Christie audio boxed set

The mystery of the blue train.

The Mystery of the Blue Train is a work of detective fiction by Agatha Christie, first published in the United Kingdom by William Collins & Sons on 29 March 1928 and in the United States by Dodd, Mead and Company later in the same year.

Murder on the orient express.

Murder on the Orient Express is a detective novel by Agatha Christie featuring the Belgian detective Hercule Poirot. It was first published in the United Kingdom by the Collins Crime Club on 1 January 1934.

Death on the Nile.

Death on the Nile is a work of detective fiction by Agatha Christie and first 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.