Good start but I have to say, I really, really hate it when people introduce Sirius at the START of Prisoner of Azkaban. It just doesn't make sense, there is no way Fudge would listen to Dumbledore, he would simply have him arrested. Plus, the entire school would panic and stampede before Dumbledore could say anything as well. I get that you want Sirius to be able to speak and comment but it would be so much more realistic if he stayed as a dog. It's just......the whole story will be dreadfully OOC with people automatically accepting Sirius despite what he's meant to be. I'm not trying to be mean, I think this is a cliche that has sadly been used an awful lot. It's just a cliche that really irritates me as it's too unrealistic and could never work. Anyway, I'm glad you've got the trio as a trio, some people take the opportunity to have a bash fest, particularly of Ron which I despise even more.
Author's response
Well when i originally posted this story on ff.net, I left it up to the readers to decide how they wanted Sirius to appear. Also, the entire school isnt there and the only people that would be hesitant to trust Dumbledore are Fudge and Umbridge, otherwise I like to think that Neville and Luna would be pretty accepting, as would the Professors. And as far as cliches go...well in hopes of staying true to the characters, we've got to be a little cliched sometimes