The Prisoner Of Azkaban Is Written By The Award Winning Writer, J.K. Rowling. This J. K. Rowling Book Has An Appealing Theme.Harry Potter And The Prisoner Of Azkaban Is A Fascinating Installment Of J.K. Rowling’S Phenomenally Successful Harry Potter Series. This Book Is About The Teenage Wizard Harry Potter Who Starts To Delve In To The Darker Side Of The Magical World. The Starting Part Of This Book Is About Harry’S Encounter With The Dementors, Who Are Considered To Be One Of The Foulest Creatures To Ever Walk In The World Of Magic. In This Story, Harry Learns About Some Of The Darkest Secrets Of Hogwarts And Also About Sirius Black’S Role In The Murder Of His Parents. Another Adventurous Year At Hogwarts After Surviving Yet Another Summer With The Dreadful Dursleys And The Blowing Up Aunt Marge Like A Balloon, Harry Expects To Be Expelled From Hogwarts, As The Rule Says That Use Of Magic Is Not Allowed Outside Term Time. Further, The News Arrives That Sirius Black, A Onetime Friend Of Harry’S Parents, Escapes From The Prison Of Azkaban. This J.K. Rowling Book Is Filled With Many Other Nail Biting Events That Leave You Second Guessing About The Storyline. Superb Story Telling J.K. Rowling Continues To Fascinate Us With Her Excellent Plotting And Pacing. The Prisoner Of Azkaban Lives Up To The Hype Created By Previous Harry Potter Books And Takes You Deeper In The World Of Magic And Betrayal.