Read "The Big Four" by Agatha Christie online for free on Textopian. Full text with search, annotations, highlights, and AI-powered reading aids.
That was all that could be elicited from Mrs. Halliday. We hurried back to London, and the following day saw us _en route_ for the Continent. With rather a rueful smile, Poirot observed:-
"This Big Four, they make me to bestir myself, _mon ami_. I run up and down, all over the ground, like our old friend 'the human foxhound."