returned the tools to his pocket, and we reascended once more to our own domain.
•••••••
On Monday Poirot was out all day, but when he returned in the evening he flung himself into his chair with a sigh of satisfaction.
"Hastings, shall I recount to you a little history? A story after your own heart and which will remind you of your favourite cinema?"
"Go ahead," I laughed. "I presume that it is a true story, not one of your efforts of fancy."
"It is true enough. Inspector Japp of Scotland Yard will vouch for its accuracy, since it was through his kind offices that it came to my ears. Listen, Hastings. A little over six months ago some important Naval plans were stolen from an American Government department. They showed the position of some of the most important Harbour defences, and would be worth a considerable sum to any foreign Government—that of Japan, for example. Suspicion fell upon a young man named Luigi Valdarno, an Italian by birth, who was employed in a minor capacity in the Department and who was missing at the same time as the papers. Whether Luigi Valdarno was the thief or not, he was found two days later
