Harry Potter 05 - Harry Potter and the Order of the Phoenix

Sirius.
    ‘Er,’ said Harry, to announce his presence.
    Snape looked around at him, his face framed between curtains of greasy black hair.
    ‘Sit down, Potter.’
    ‘You know,’ said Sirius loudly, leaning back on his rear chair legs and speaking to the ceiling, ‘I think I’d prefer it if you didn’t give orders here, Snape. It’s my house, you see.’
    An ugly flush suffused Snape’s pallid face. Harry sat down in a chair beside Sirius, facing Snape across the table.
    ‘I was supposed to see you alone, Potter,’ said Snape, the familiar sneer curling his mouth, ‘but Black –’
    ‘I’m his godfather,’ said Sirius, louder than ever.
    ‘I am here on Dumbledore’s orders,’ said Snape, whose voice, by contrast, was becoming more and more quietly waspish, ‘but by all means stay, Black, I know you like to feel … involved.’
    ‘What’s that supposed to mean?’ said Sirius, letting his chair fall back on to all four legs with a loud bang.
    ‘Merely that I am sure you must feel – ah – frustrated by the fact that you can do nothing useful ,’ Snape laid a delicate stress on the word, ‘for the Order.’
    It was Sirius’s turn to flush. Snape’s lip curled in triumph as he turned to Harry.
    ‘The Headmaster has sent me to tell you, Potter, that it is his wish for you to study Occlumency this term.’
    ‘Study what?’ said Harry blankly.
    Snape’s sneer became more pronounced.
    ‘Occlumency, Potter. The magical defence of the mind against external penetration. An obscure branch of magic, but a highly useful one.’
    Harry’s heart began to pump very fast indeed. Defence against external penetration? But he was not being possessed, they had all agreed on that …
    ‘Why do I have to study Occlu— thing?’ he blurted out.
    ‘Because the Headmaster thinks it a good idea,’ said Snape smoothly. ‘You will receive private lessons once a week, but you will not tell anybody what you are doing, least of all Dolores Umbridge. You understand?’
    ‘Yes,’ said Harry. ‘Who’s going to be teaching me?’
    Snape raised an eyebrow.
    ‘I am,’ he said.
    Harry had the horrible sensation that his insides were melting. Extra lessons with Snape – what on earth had he done to deserve this? He looked quickly round at Sirius for support.
    ‘Why can’t Dumbledore teach Harry?’ asked Sirius aggressively. ‘Why you?’
    ‘I suppose because it is a headmaster’s privilege to delegate less enjoyable tasks,’ said Snape silkily. ‘I assure you I did not beg for the job.’ He got to his feet. ‘I will expect you at six o’clock on Monday evening, Potter. My office. If anybody asks, you are taking remedial Potions. Nobody who has seen you in my classes could deny you need them.’
    He turned to leave, his black travelling cloak billowing behind him.
    ‘Wait a moment,’ said Sirius, sitting up straighter in his chair.
    Snape turned back to face them, sneering.
    ‘I am in rather a hurry, Black. Unlike you, I do not have unlimited leisure time.’
    ‘I’ll get to the point, then,’ said Sirius, standing up. He was rather taller than Snape who, Harry noticed, balled his fist in the pocket of his cloak over what Harry was sure was the handle of his wand. ‘If I hear you’re using these Occlumency lessons to give Harry a hard time, you’ll have me to answer to.’
    ‘How touching,’ Snape sneered. ‘But surely you have noticed that Potter is very like his father?’
    ‘Yes, I have,’ said Sirius proudly.
    ‘Well then, you’ll know he’s so arrogant that criticism simply bounces off him,’ Snape said sleekly.
    Sirius pushed his chair roughly aside and strode around the table towards Snape, pulling out his wand as he went. Snape whipped out his own. They were squaring up to each other, Sirius looking livid, Snape calculating, his eyes darting from Sirius’s wand-tip to his face.
    ‘Sirius!’ said Harry loudly, but Sirius appeared not to hear him.
    ‘I’ve warned you, Snivellus ,’ said Sirius, his face barely a foot from Snape’s, ‘I don’t care if Dumbledore thinks you’ve reformed, I know better –’
    ‘Oh, but why don’t you tell him so?’ whispered Snape. ‘Or are you afraid he might not take very seriously the advice of a man who has been hiding inside his mother’s house for six months?’
    ‘Tell me, how is Lucius Malfoy these days? I expect he’s delighted his lapdog’s working at Hogwarts, isn’t he?’
    ‘Speaking of dogs,’ said Snape