receive this in the post â then we are not alone.
  Trust no one.
  Beware the B-men.
  Trace back the links, follow the chain. Begin with Alice.
  Be careful. They will be coming for you.
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  Smith stared at the note. He closed the Manual softly, put it on the table beside him. Stared out at the wan sunlight. It came as no surprise to know the fat man had not trusted Fogg. Smith had warned, repeatedly, of his suspicion of the man; it had seemed beyond doubt to him that the man was a mole, an agent of the Bookman. But the fat man never did anything, preferring, perhaps, to keep Fogg close by, to watch him.
  And now Fogg was acting head.
  Well, what was it to Smith? He was retired. The actions of the Bureau were no longer his concern. He was too old, too jaded to think the shadow world they all inhabited was the be-all and end-all of politics. They were engaged in a game â often deadly, often dreary, but a game â while the real decisions were made above their heads, by the people they spied on. There had been moles in the organisation before, just as the Bureau, in its turn, had agents working inside the agencies of both opponents and friendlies. He himself had turned several agents, in his dayâ¦
  It was a game, only now Alice and the fat man were both dead.
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FOUR
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It was a soft sound, like leaves falling on the roof, only they weren't leaves at all. Smith opened his eyes and stared at the darkness. The sound came again, furtive, soft: the sound of rats sneaking, a vaguely disturbing sound that gnawed at the edges of consciousness.
  In the darkness of the room, he smiled.
  He'd sat up in his armchair through the afternoon, thinking. He'd first met Alice in Venice, in sixty-five it must have been. The year of the Zanzibar Incident, though he had not been involved in that particular affair.
  The Bureau had sent him to the Venetian Republic, the lizards negotiating a secret treaty with Daniele Fonseca, the republican leader, against the Hapsburgs. It was baby-sitting duty for Smith, watching the British envoy from the shadows as the treaty was negotiated. And it was Venice, in the spring, and he met her one night when Hapsburgian agents attacked his envoy and Smith, outnumbered, had scrambled to save the man.
  She had stepped out of the shadow, a young girl, glowing â so it seemed to him, then, romantic fool that he was â in the light of the moon. Her long white legs were bare and she wore a blue dress and a blue flower behind one ear. She smiled at him, flashing perfect white teeth, and killed the first of the would-be assassins with a knife throw that went deep into the man's chest, a flower of blood blooming on his shirt as he fell.
  Together, they eliminated the others, the envoy oblivious the whole while to the covert assassination attempt, then disposed of the bodies together, dragging them into one of the canals and setting them adrift, Alice's blue flower pinned to the leader's chest. It had been the most romantic night of Smith's life.
  Later, when the envoy was safely asleep in his bed, Smith and Alice shared a drink on the balcony of the small, dank hotel, and watched the moonlight play on the water of the canalâ¦
  Now he listened for the smallest sounds, that soft patter on the roof, the drop of a body, then another. The fat man had warned him but somehow, Smith always knew the day would come, was always waiting for it, and now he was ready.
  He slid a knife from its scabbard, tied around his ankle. He had spent some of the afternoon, and a part of the evening, sharpening this knife, his favourite, and cleaning and oiling various other devices. Cleaning one's weapons was a comforting act, an ingrained habit that felt almost domestic. It made him think of Alice, who preferred guns to knives, and disliked