HE TELEPHONED shortly before seven. Mma Ramotswe seemed pleased to hear from him and asked him, as was polite in the Setswana language, whether he had slept well.

"I slept very well," said Mr J.L.B. Matekoni. "I dreamed all the night about that clever and beautiful woman who has agreed to marry me."

He paused. If she was going to announce a change of mind, then this was the time that she might be expected to do it.

Mma Ramotswe laughed. "I never remember what I dream," she said. "But if I did, then I am sure that I would remember dreaming about that first-class mechanic who is going to be my husband one day."

Mr J.L.B. Matekoni smiled with relief. She had not thought better of it, and they were still engaged.

"Today we must go to the President Hotel for lunch," he said. "We shall have to celebrate this important matter."

Mma Ramotswe agreed. She would be ready at twelve o'clock and afterwards, if it was convenient, perhaps he would allow her to visit his house to see what it was like. There would be two houses now, and they would have to choose one. Her house on Zebra Drive had many good qualities, but it was rather close to the centre of town and there was a case for being farther away. His house, near the old airfield, had a larger yard and was undoubtedly quieter, but was not far from the prison and was there not an overgrown graveyard nearby? That was a major factor; if she were alone in the house at night for any reason, it would not do to be too close to a graveyard. Not that Mma Ramotswe was superstitious; her theology was conventional and had little room for unquiet spirits and the like, and yet, and yet...