instalments from 20 February (Volume 33, Number 841) to 3 April 1937 (Volume 33, Number 847) under the title Mystery of Littlegreen House''. There were no chapter divisions and all of the instalments carried illustrations by "Raleigh". References External links Dumb Witness at the official Agatha Christie website 1937 British novels Hercule Poirot novels Works originally published in The Saturday Evening Post Novels first published in serial form Novels set in Berkshire Collins Crime Club books British novels adapted into television shows