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102
THE MYSTERY OF THE BLUE TRAIN
he said. "Or have you so many friends that your time will be all taken up?"
"On the contrary," said Katherine, "I shall have plenty of leisure, and I shall be very pleased to see you again."
"Excellent," said Poirot, and gave her a little friendly nod. "This shall be a 'Roman Policier' à nous. We will investigate this affair together."
