Harry Potter, an orphaned child that has spent the first ten years of his life living under the stairs of his aunt and uncle's house, is invited to join the Hogwarts School of Witchcraft and Wizardry. He learns his destiny lies in the realm of magic and fantasy.

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. In addition to new experiences, 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...

The Unofficial Ultimate Harry Potter Spellbook is a beautiful, elegantly designed reference that details all of the known spells cast in the Harry Potter films, books, video games and card games, as well as official Harry Potter spinoffs, such as Fantastic Beasts and Where to Find Them. Each spell is given its own entry including spell name, pronunciation details, a description of the spell effect, spell casting methods, wand movements, hand movements...