“At least it’s a chance to travel,” said the Saint conversationally. “But I don’t suppose that means much to you. From what you were saying, it sounds as if you spent most of your time doing it. What sort of business are you in?”

“I ’ave many affairs,” Olivant said impressively, and seemed to think that was an adequate answer.

He held out the book, and Simon took it back again by the corner.

“Maybe you’d let me talk to you later, Monsieur Olivant. You should have some interesting things to tell about Miss North’s family.”

“Ah, yes, eet is a most interesting story.” Olivant seemed curiously uninterested. He extended his hand briskly. “Now, I ’ave anozzer appointment. Eet ’as been a pleasure to meet you. Au revoir, Mr Tombs.”

The Saint watched him go, with the sensation of that inappropriately calloused hand lingering on his fingers, and then he turned to the concierge and asked for a large envelope, into which he slid his newly acquired guidebook, being careful not to touch the book again except by the one corner he was holding it by.

4

“Tell me,” said the Saint, “as the most ignorant reporter in this town, what put you in the news. I mean, even before anything happened to your brother.”

They sat in opposite armchairs across a table in the tiny downstairs room of the Restaurant Châtaignier, sniffing the savory bouquet of its incomparable homard au beurre blanc rising from the plates in front of them, while the chef and proprietor himself uncorked a bottle of cool rosé.

“It sounds silly,” said Valerie North, “but I was on one of those radio quiz programs. I happened to know the answer to who was the painter of the Mona Lisa, and the prize I won was a free trip to Europe. They asked me what I planned to do with it and I said it’d give me the chance I’ve always hoped for to get to know my brother.”