J. K. Rowling

Harry Potter is a very unusual boy. He can't wait to get back to school after the Summer holidays! But that's not the only unusual thing about Harry; Harry's school is Hogwarts School of Witchcraft and Wizardry, and Harry is a wizard!
But when Harry, along with his best friends Ron and Hermione, go back for their third year at Hogwarts, the atmosphere is tense. There's an escaped mass murderer on the loose, and the sinister prison guards of Azkaban have been called in to guard the school ...
"Has all the dramatic flair a reader of any age could want. J. K. Rowling weaves a dense and exciting plot." -Halifax Chronicle Herald
"Rowling's lively prose seizes our attention from the first loaded words, and her powers of invention, coupled with a fast-paced, suspenseful and often humorous plot, make this a welcome addition to books for middle readers." -Deirdre Baker, Toronto Star