. "Dumb Witness is a detective fiction novel by British writer Agatha Christie, first published in the UK by the Collins Crime Club on 5 July 1937 and in the US by Dodd, Mead and Company later in the same year under the title of Poirot Loses a Client. The UK edition retailed at seven shillings and sixpence (7/6) and the US edition at $2.00.The book features the Belgian detective Hercule Poirot and is narrated by his friend Arthur Hastings."@en . . "0292497" . . "Dumb Witness"@en . "NA" . . "320"^^ . .