The Dark Arts
Remus Lupin/Sirius Black
Remus Lupin Sirius Black Harry and Hermione and Ron
Drama Romance
The Harry Potter at Hogwarts Years
Prizoner of Azkaban
Published: 12/03/2004
Updated: 06/24/2013
Words: 120,615
Chapters: 65
Hits: 86,935

Another Prisoner, Another Professor


Story Summary:
AU. In Harry's third year he must learn the various truths about the new DADA teacher, Professor Black, and an escaped convict, Remus Lupin. SB/RL.

Chapter 01

AU. In Harry's third year he must learn the various truths about the new DADA teacher, Professor Black, and an escaped convict, Remus Lupin. SB/RL.

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Chapter 02

Eavesdropping on Ron's parents, Harry learns even more about the dangers of Remus Lupin.

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Chapter 03

On the train to Hogwarts Harry, Ron, and Hermione encounter a new teacher, Professor Black.

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Malfoy has something to gloat over.

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Chapter 05

The dementor arrives on the train.

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Chapter 06

The train arrives, Crookshanks has a new discovery, and the feast begins.

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Chapter 07

Malfoy is whimpering in the hospital wing, Harry and Ron read Astrophil's letter, and Hagrid is depressed.

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Chapter 08

When Neville creates a flawed Shrinking Solution, Harry surprises himself.

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Chapter 09

In the first DADA class, Harry discovers that Professor Black has an interest in duelling and a curious lack of fear concerning snakes.

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All the books about blood magic are gone from the library.

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Harry, Ron, and Hermione, having found no books about blood magic, decide to sneak into the Restricted Section; Fred and George discover Astrophil's letter.

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Harry, Ron, and Hermione sneak into the Restricted Section, where they find a book that provides more questions than answers - much like Black, who has a strange request of Dumbledore.

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Hermione is newly suspicious of Black, but Harry and Ron disagree.

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While Black becomes the subject of numerous rumors among the students, Harry has another mysterious episode.

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While Ron and Hermione go to Hogsmeade, Harry helps Black and his house-elf carry boxes to Black's office, where the two of them talk over a couple of butterbeers.

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Most of Harry's fears are relieved, until a new threat arrives in the castle.

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As theories abound and the truth is still elusive, Snape's suspicion has turned to Black.

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As the first Quidditch match approaches, Harry's under stress. Ron and Hermione fighting doesn't exactly help.

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As he prepares for the Quidditch match, Harry wishes he'd been more selfish.

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Harry has a disturbing dream in the hospital wing. When he wakes up, he has visitors: Ron, Hermione, and, surprisingly, Cedric Diggory.

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Harry and Professor Black advance their plans for Harry to learn to fight dementors, Hermione is under stress, and Snape gives Harry some advice Harry doesn't trust.

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Harry reads about werewolves and ponders the psychology of one particular lycanthropy sufferer.

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Harry goes to his first anti-dementor lesson and learns Professor Black's worst fear.

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In Harry's second anti-dementor lesson, he makes progress with the Patronus Charm and learns more about Black's past and about a vulnerability of Snape's.

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Harry's anti-dementor lessons aren't going as well as he would like, and everyone has advice as to what broomstick he should buy.

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The bad: Fred and George can't keep their mouths shut. The good: Malfoy has detention.

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Remus Lupin is sighted in Edinburgh, and Black has a different perspective on him than Harry, Ron, and Hermione.

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Harry sneaks out to Hogsmeade and hears the professors, Fudge, and Madam Rosmerta talking about Black, Lupin, Peter Pettigrew, and Harry's father.

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Harry can't forgive Black and finally takes Snape's advice.

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When Harry arrives at a new theory, he, Ron and Hermione plot to break into Black's office.

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Harry, Ron and Hermione break into Black's office and find a variety of surprises.

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Ron thinks he's got the answer to what's wrong with Black; Harry agrees, but Hermione isn't convinced.

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Harry, Ron and Hermione start a new unit in Defense Against the Dark Arts, and Professor Black becomes even busier.

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Ron and Hermione continue to argue about Crookshanks and Scabbers, and Harry finds out some new information about Black.

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Crookshanks versus Scabbers intensifies, Snape has a shock, Ron and Hermione make a bet, and Professor Black has startling news.

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The Malfoys may be investigated regarding Regulus's disappearance, and Black warns Harry to stay out of the entire situation.

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Harry, Ron and Hermione theorize about the Malfoys, Pansy Parkinson is a surprising ally, and Ron and Hermione's bet is settled once and for all.

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The bet is settled for good, Ron finds out who the bearded man is, and Lavender has an emotional episode.

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Oliver Wood puts some faith in Cedric Diggory, Gryffindor plays against Ravenclaw, and Black has some news for Harry.

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The press steps up coverage on the investigation of the Malfoys.

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Opinions on the werewolf school differ, Hermione has a plan about getting the blood magic book, and the morning of Buckbeak's hearing arrives.

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A surprise visitor has some startling information for Harry - but not on the topic Harry wants.

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Hermione has a different take on Dobby's story. Harry tells Black something important, but not before Black tells him something else important first.

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Black tells the story of the day after Harry's parents died.

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Harry hears more about Black's house and the two of them think over how to save Buckbeak.

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Hagrid tries to find hope and Valentine's Day has a few unpleasant surprises for Malfoy.

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Hermione's plan doesn't turn out the way she expected.

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The Trio have to keep a secret, Lavender draws some conclusions about the Astrophil letter, and Brutus Swift has a theory that might change everything.

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Swift argues for Lupin's innocence and Harry learns another secret of Black's, though not the one he wonders about the most.

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Brutus Swift has an idea, and tells Black some news about Regulus.

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Chapter 51

Harry learns more about his family, Black's family, and why Pansy Parkinson changed her mind about Malfoy.

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In which Harry starts the Easter holidays early, Black is in something of a mood, and the author throws in a classical allusion.

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Harry gets a crash course in Black family history.

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More Black family history.

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Harry catches something the Aurors missed; the Tonkses arrive.

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When he was fourteen years old, Regulus Black started keeping a diary.

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Something else was left with the diary...

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At St. Dymphna's, Harry muses about right, wrong, and Regulus Black.

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Harry gets used to life at Grimmauld Place.

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As the Easter holiday nears its end, Sirius, Harry, and Brutus Swift have to adjust some of their plans.

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In the week before the Quidditch final, Wood has strategy, Hermione has insight, Pansy has plans, and Sirius has news from Moody.

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The Malfoy investigation yields good news and bad news.

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Chapter 63

The Quidditch final.

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Chapter 64

Regulus's estate provides a surprising revelation.

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Harry and Sirius have their first fight.

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