With The Sunday Philosophy Club, Alexander McCall Smith, the author of the best-selling and beloved No.1 Ladies'Detective Agency novels, begins a wonderful new series starring the irrepressibly curious Isabel Dalhousie.

Behind Edinburgh's regimented Georgian facades, its moral compasses are spinning with greed, dishonesty, lust and murderous intent. Isabel Dalhousie knows this. Isabel,in fact, rather relishes it. An accomplished philosopher and editor of the Review of Applied Ethics, she knows all about the difference between good and bad.Which is probably why, by instinct, she is an amateur sleuth.And instinct tells her the man who tumbled to his death in front of her eyes after a concert in the Ushei Hall didn't fall. He was pushed ...

The Sunday Philosophy Club marks new territory - but familiar moral ground - from the author of The No.1Ladies Detective A eency. With Isabel Dalhousie, Alexander McCall Smith introduces a new and waspish female sleuth to tackle murder, mayhem - and the mysteries of life.

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Chapter One

Isabel Dalhousie saw the young man fall from the edge of the upper circle, from the gods. His flight was so sudden and short, and it was for less than a second that she saw him, hair tousled, upside down, his shirt and jacket up around his chest so that his midriff was exposed. And then, striking the edge of the grand circle, he disappeared headfirst towards the stalls below.

Her first thought, curiously, was of Auden's poem on the fall of Icarus. Such events, said Auden, occur against a background of people going about their ordinary business. They do not look up and see the boy falling from the sky. I was talking to a friend, she thought. I was talking to a friend and the boy fell out of the sky.

She would have remembered the evening, even if this had not happened. She had been dubious about the concert-a performance by the Reykjavik Symphony, of which she had never heard-and would not have gone had not a spare ticket been pressed upon her by a neighbour. Did Reykjavik really have a professional symphony orchestra, she wondered, or were the players amateurs? Of course, even if they were, if they had come as far as Edinburgh to give a late spring concert, then they deserved an audience; they could not be allowed to come all the way from Iceland and then perform to an empty hall. And so she had gone to the concert and had sat through a first half which comprised a romantic combination of German and Scottish: Mahler, Schubert, and Hamish McCunn.

It was a warm evening-unseasonably so for late March-and the atmosphere in the Usher Hall was close. She had come lightly dressed, as a precaution, and was glad that she had done so as the temperature in the grand circle inevitably climbed too high. During the interval she had made her way downstairs and had enjoyed the relief of the cooler air outside, eschewing the crush of the bar with its cacophony of conversation. She would find people she knew there, of course; it was impossible to go out in Edinburgh and not see anybody, but she was not in the mood for conversation that evening. When the time came to go back in, she toyed for a few moments with the idea of missing the second half, but she always felt inhibited from any act suggesting a lack of concentration or, worse still, of seriousness. So she had returned to her seat, picked up the programme from where she had left it on the armrest next to her, and studied what lay ahead. She took a deep intake of breath. Stockhausen!

She had brought with her a set of opera glasses-so necessary even in the moderate heights of the grand circle. With these trained on the stage so far down below, she scrutinised each player one by one, an activity she could never resist in concerts. One did not stare at people through binoculars normally, but here in the concert hall it was permitted, and if the binoculars strayed to the audience once in a while, who was to notice? The strings were unexceptional, but one of the clarinettists, she noticed, had a remarkable face: high cheekbones, deep-set eyes, and a chin that had been cleaved, surely, by an axe. Her gaze dwelt on him, and she thought of the generations of hardy Icelanders, and Danes before them, that had laboured to bring forth this type: men and women who scratched a living from the thin soil of upland farms; fishermen who hunted cod in steel-grey waters; women who struggled to keep their children alive on dried fish and oatmeal; and now, at the end of all this effort, a clarinettist.

She laid aside the opera glasses and sat back in her seat. It was a perfectly competent orchestra, and they had played the McCunn with gusto, but why did people still do Stockhausen? Perhaps it was some sort of statement of cultural sophistication. We may come from Reykjavik, and it may be a small town far from anywhere, but we can at least play Stockhausen as well as the rest of them. She closed her eyes. It was impossible music, really, and it was not something a visiting orchestra should inflict on its hosts. For a short while she considered the idea of orchestral courtesy. Certainly one should avoid giving political offence: German orchestras, of course, used to be careful about playing Wagner abroad, at least in some countries, choosing instead German composers who were somewhat more . . . apologetic. This suited Isabel, who disliked Wagner.

The Stockhausen was the final item on the programme. When at last the conductor had retired and the clapping had died down-not as warm as it might have been, she thought; something to do with Stockhausen-she slipped out of her seat and made her way to the ladies' room. She turned on a tap and scooped water into her mouth-the Usher Hall had nothing so modern as a drinking fountain-and then splashed some on her face. She felt cooler, and now made her way out onto the landing again. It was at this point, though, that Isabel caught sight of her friend Jennifer standing at the bottom of the short flight of stairs that led into the grand circle.

She hesitated. It was still uncomfortably warm inside, but she had not seen Jennifer for over a year, and she could hardly walk past without greeting her.

Isabel made her way through the crowds.

"I'm waiting for David," Jennifer said, gesturing towards the grand circle. "He lost a contact lens, would you believe it, and one of the usherettes has lent him a torch to go and look for it under his seat. He lost one on the train through to Glasgow and now he's done it again."

They chatted as the last of the crowd made its way down the stairs behind them. Jennifer, a handsome woman, in her early forties-like Isabel-was wearing a red suit on which she had pinned a large gold brooch in the shape of a fox's head. Isabel could not help but look at the fox, which had ruby eyes, and seemed to be watching her. Brother Fox, she thought. So like Brother Fox.

After a few minutes, Jennifer looked anxiously up the stairs.

"We should go and see if he needs help," she said irritably. "It'll be an awful nuisance if he's lost another one."

They took a few steps up the short set of stairs and looked down towards the place where they could make out David's back, hunched behind a seat, the light of the torch glinting between the seating. And it was at that moment, as they stood there, that the young man fell from the layer above-silently, wordlessly, arms flailing as if he were trying to fly, or fend off the ground-and then disappeared from view.P1-5