Sirius Black, the dangerous criminal who escaped from the Azkaban fortress, is looking for Harry Potter. It is therefore under guard that the apprentice sorcerer makes his third return to school. On the program: divination lessons, making a Shrinking potion, training hippogriffs... But is Harry really safe from the danger that threatens him? The third volume of the Harry Potter adventures will take you into a whirlwind of surprises and emotions. Thrills and humor guaranteed!