Third Year: Full of Wizards, Nations, Demigods, and Magicians

*Rewritten* A crossover of PJO/HP/KC/APH) It's Third Year. Criminal Sirius Black is on the loose, terrorizing all. Now, Dumbledore sent pleas to multiple people, all whom has responded. This Year will be more confusing then any other. Twists, Turns, Secrets and Whispers. Who is the new Professor? The rumors around grow stranger by the day, and the newcomers aren't exactly helping.