Order of Darkness Read online

  ‘This means one: 1, this two: 2, and this three: 3,’ the man said, the black feather tip of his quill pointing to the marks. ‘Put the 1 here, in this column, it means one, but put it here and this blank beside it and it means ten, or put it here and two blanks beside it, it means one hundred.’

  Luca gaped. ‘The position of the number shows its value?’

  ‘Just so.’ The man pointed the plume of the black feather to the shape of the blank, like an elongated O, which filled the columns. His arm stretched from the sleeve of his robe and Luca looked from the O to the white skin of the man’s inner wrist. Tattooed on the inside of his arm, so that it almost appeared engraved on skin, Luca could just make out the head and twisted tail of a dragon, a design in red ink of a dragon coiled around on itself.

  ‘This is not just a blank, it is not just an O, it is what they call a zero. Look at the position of it – that means something. What if it meant something of itself?’

  ‘Does it mean a space?’ Luca said, looking at the paper again. ‘Does it mean: nothing?’

  ‘It is a number like any other,’ the man told him. ‘They have made a number from nothing. So they can calculate to nothing, and beyond.’

  ‘Beyond? Beyond nothing?’

  The man pointed to another number: –10. ‘That is beyond nothing. That is ten places beyond nothing, that is the numbering of absence,’ he said.

  Luca, with his mind whirling, reached out for the paper. But the man quietly drew it back towards him and placed his broad hand over it, keeping it from Luca like a prize he would have to win. The sleeve fell down over his wrist again, hiding the tattoo. ‘You know how they got to that sign, the number zero?’ he asked.

  Luca shook his head. ‘Who got to it?’

  ‘Arabs, Moors, Ottomans, call them what you will. Mussulmen, Muslim-men, infidels, our enemies, our new conquerors. Do you know how they got that sign?’

  ‘No.’

  ‘It is the shape left by a counter in the sand when you have taken the counter away. It is the symbol for nothing, it looks like a nothing. It is what it symbolises. That is how they think. That is what we have to learn from them.’

  ‘I don’t understand. What do we have to learn?’

  ‘To look, and look, and look. That is what they do. They look at everything, they think about everything, that is why they have seen stars in the sky that we have never seen. That is why they make physic from plants that we have never noticed. They are a most scholarly, most brilliant people. A fearful enemy. My fearful enemy.’

  ‘You know them?’ Luca asked.

  ‘Like a brother,’ the man replied drily. He pulled his hood closer, so that his face was completely shadowed. ‘They will defeat us unless we learn to see like they see, to think like they think, to count like they count. Perhaps a young man like you can learn their language too.’

  Luca could not take his eyes from the paper where the man had marked out ten spaces of counting, down to zero and then beyond.

  ‘So, what do you think?’ the Inquisitor asked him. ‘Do you think ten nothings are beings of the unseen world? Like ten invisible things? Ten ghosts? Ten angels?’

  ‘If you could calculate beyond nothing,’ Luca started, ‘you could show what you had lost. Say someone was a merchant, and his debt in one country, or on one voyage, was greater than his fortune, you could show exactly how much his debt was. You could show his loss. You could show how much less than nothing he had, how much he would have to earn before he had something again.’

  ‘Yes,’ the man said. ‘With zero you can measure what is not there. The Ottomans took Constantinople and our empire in the east not only because they had the strongest armies and the best commanders, but because they had a weapon that we did not have: a cannon so massive that it took sixty oxen to pull it into place. We would not think of such a thing; we could not make it. They have knowledge of things that we don’t understand. The reason that I sent for you, the reason that you were expelled from your monastery but not punished there for disobedience or tortured for heresy, is that I want you to learn these mysteries; I want you to explore them, so that we can know them, and arm ourselves against them.’

  ‘Is zero one of the things I must study? Will I go to the Ottomans and learn from them? Will I learn about their studies?’

  The man laughed and pushed the piece of paper with the Arabic numerals towards the novice priest, holding it with one finger on the page. ‘I will let you have this,’ he promised. ‘It can be your reward when you have worked to my satisfaction and set out on your mission. And yes, perhaps you will go to the infidel and live among them and learn their ways. But for now, you have to swear obedience to me and to our Order. I will send you out to be my ears and eyes. I will send you to hunt for mysteries, to find knowledge. I will send you to map fears, to seek darkness in all its shapes and forms. I will send you out to understand things, to be part of our Order that seeks to understand everything.’

  He could see Luca’s face light up at the thought of a life devoted to inquiry. But then the young man hesitated. ‘I won’t know what to do,’ Luca confessed. ‘I wouldn’t know where to begin. I understand nothing! How will I know where to go or what to do?’

  ‘I am going to send you to be trained. I will send you to study with masters. They will teach you the law, and what powers you have to convene a court or an inquiry. You will learn what to look for and how to question someone. You will understand when someone must be released to earthly powers – the mayors of towns or the lords of the manor; or when they can be punished by the Church. You will learn when to forgive and when to punish. When you are ready, when you have been trained, I will send you on your first mission.’

  Luca nodded.

  ‘You will be trained for some months and then I shall send you out into the world with my orders,’ the man said. ‘You will go where I command and study what you find there. You will report to me. You may judge and punish where you find wrong-doing. You may exorcise devils and unclean spirits. You may learn. You may question everything, all the time. But you will serve God and me, as I tell you. You will be obedient to me and to the Order. And you will walk in the unseen world and look at unseen things, and question them.’

  There was a silence. ‘You can go,’ the man said, as if he had given the simplest of instructions. Luca started from his silent attention and went to the door. As his hand was on the bronze handle the man said: ‘One thing more . . .’

  Luca turned.

  ‘They said you were a changeling, didn’t they?’ The accusation dropped into the room like a sudden shower of ice. ‘The people of the village? When they gossiped about you being born, so handsome and so clever, to a woman who had been barren all her life, to a man who could neither read nor write. They said you were a changeling, left on her doorstep by the faeries, didn’t they?’

  There was a cold silence. Luca’s stern young face revealed nothing. ‘I have never answered such a question, and I hope that I never do. I don’t know what they said about us,’ he said harshly. ‘They were ignorant fearful country people. My mother said to pay no attention to the things they said. She said that she was my mother and that she loved me above all else. That’s all that mattered, not stories about faerie children.’

  The man laughed shortly and waved Luca to go, and watched as the door closed behind him. ‘Perhaps I am sending out a changeling to map fear itself,’ he said to himself, as he tidied the papers together and pushed back his chair. ‘What a joke for the worlds seen and unseen! A faerie child in the Order. A faerie child to map fear.’

  THE CASTLE OF LUCRETILI

  At about the time that Luca was being questioned, a young woman was seated in a rich chair in the chapel of her family home, the Castle of Lucretili, about twenty miles north-east of Rome, her dark blue eyes fixed on the rich crucifix, her fair hair twisted in a careless plait under a black veil, her face strained and pale. A candle in a rose crystal bowl flickered on the altar as the priest moved in the