Sirius Black ... Arthur Weasley thinks he's escaped because Harry still stands in You-Know-Who returning to power. "When you [Harry] stopped You-Know-Who, Black lost everything.

SEE ALSO: 5 articles that'll only make sense to true 'Harry Potter' fans In particular, Thériault had some thoughts about how Molly Weasley and Sirius Black are portrayed in the series' fifth book.