It is Harry Potter's fourth year at Hogwarts School of Witchcraft and Wizardry and there are spells to be learnt and Potions and Divination lessons to be attend... » 

It is Harry Potter's fourth year at Hogwarts School of Witchcraft and Wizardry and there are spells to be learnt and Potions and Divination lessons to be attended. But Harry can't know that his worst enemy is preparing a fate that it seems will be inescapable. This book is the fourth in the Harry Potter series. «