When the first Harry Potter book was released in 1997, there was no way to know that it would become a phenomenon. J.K. Rowling’s story of a young wizard and his friends captured the imaginations of children and adults around the world, and soon the books were being read and discussed by people of all ages.

Now, all seven Harry Potter books are available in a special audio edition, read by the author. The CDs feature Rowling’s narration, as well as music and sound effects to bring the stories to life.

One of the best things about the audio edition …