This book written by J K Rowling is the third part in the Harry Potter series. Here Harry and his friends study in the Third year at Hogwarts. This book turns out to be very interesting in the near end.
A prisoner of Azkaban, Sirius Black, accused of murder, has escaped prison and is in search of Harry Potter. So dementors are given charge of Hogwarts.dementors are very strange creatures, that are hard to face. So Harry accidentally meets them twice and suffers much. The Dark arts teacher at Hogwarts, Remus, helps Harry potter learn many magic skills. Various mysterious stories are hidden behind the professor, which are very interesting.
Harry finally accidentally comes in contact with Sirius Black in Hogsmeade, only to find that he is an innocent and not guilty of any murder.it is for the readers to read the book to find what Sirius Black does to Harry.
Various scenes are perfectly described in the story.
The book is worth reading and is highly praiseworthy. I would recommend the readers to read this book, only to find the value of the book.