the day, the hour, the minute when these happenings took place! Much as she thought about it afterwards, even Mrs. Bunting never quite made up her mind whether it was during the fifth or the sixth night of Mr. Sleuth’s stay under her roof that she became aware that he had gone out at two in the morning and had only come in at five.
But that there did come such a night is certain—as certain as is the fact that her discovery coincided with various occurrences which were destined to remain retrospectively memorable.
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It was intensely dark, intensely quiet—the darkest quietest hour of the night, when suddenly Mrs. Bunting was awakened from a deep, dreamless sleep by sounds at once unexpected and familiar. She knew at once what those sounds were. They were those made by Mr. Sleuth, first coming down the stairs, and walking on tiptoe—she was sure it was on tiptoe—past her door, and finally softly shutting the front door behind him.
Try as she would, Mrs. Bunting found it quite impossible to go to sleep again. There she lay wide awake, afraid to move lest Bunting should waken up too, till she heard Mr. Sleuth, three hours later, creep back into the house and so up to bed.
Then, and not till then, she slept again. But in the morning she felt very tired, so tired indeed, that she had been very glad when Bunting good-naturedly suggested that he should go out and do their little bit of marketing.
The worthy couple had very soon discovered that in
