"No, my friend Hastings," he would say; "we leave that to Giraud and his friends. Hercule Poirot's methods are his own. Order and method, and 'the little gray cells.' Sitting at ease in our own arm-chairs we see the things that these others overlook, and we do not jump to the conclusion like the worthy Japp." No; there was little fear of finding Hercule Poirot far afield. On arrival in London, I deposited my luggage at an hotel and drove straight on to the old address. What poignant memories it brought back to me! I hardly waited to greet my old landlady, but hurried up the stairs two at a time and rapped on Poirot's door. "Enter, then," cried a familiar voice from within. I strode in. Poirot stood facing me. In his arms he carried a small valise, which he dropped with a crash on beholding me. "_Mon ami_, Hastings!" he cried. "_Mon ami_, Hastings!" And, rushing forward, he enveloped me in a capacious embrace. Our conversation was incoherent and inconsequent. Ejaculations, eager questions, incomplete answers, messages from my wife, explanations as to my journey, were all jumbled up together. "I suppose there's some one in my old rooms?" I asked at last, when we had calmed down somewhat. "I'd love to put up here again with you." Poirot's face changed with startling suddenness. "_Mon Dieu!_ but what a _chance épouvantable_. Regard around you, my friend." For the first time I took note of my surroundings. Against the wall stood a vast ark of a trunk of prehistoric design. Near to it were placed a number of suit-cases, ranged neatly in order of size from large to small. The inference was unmistakable. "You are going away?" "Yes." "Where to?" "South America." "_What?_"