Harry, Ron, and Hermione, now teenagers, return for their third year at Hogwarts. There they are forced to face escaped prisoner Sirius Black, who poses a great threat to Harry. Harry must overcome the threats of Dementors, outsmart a werewolf, and finally deal with the truth about Sirius and his relationship with his parents. Harry and friends master advanced magic classes, cross time barriers, and change the course of more than one life.

Readers will find details of when the character was first mentioned, appearance, wizard school, house, patronus, wand, related family members, skills and achievements, personal history and more! With more than 700 characters included, this book is packed from cover to cover. The book will also include genealogical charts and family trees for the major characters, world maps detailing important locations, homes and schools, as well as charts detailing...