Yes. Her name is on each of the Harry Potter books as the author.
Answer: Yes. The covers may have changed but the books themselves have not. Answer: There are seven different Harry Potter books. Each has a different title, and a different story.
Harry Potter uses the invisibility cloak in all of the Harry Potter books. The cloak is first used in Harry Potter and the Philosopher's Stone, chapter 12: The Mirror of Erised. Each edition of the book has different pages numbers so it wouldn't be possible to create an accurate list of every time the cloak is used.
Yes. In all of them.
In each chaper there is about 20 pages. That is what makes them so fat.
i dont know :P
there are 7 summaries. one in each book.
JK Rowling got paid millions for each of her Harry Potter books
There are six prefects in each house, two for each year.
Nothing because Deathly Hallows was the last Harry Potter book and Voldemorts dead and stuff. But if there is book about Percy Jackson and Harry Potter meet each other. That will be awesome!!
Harry Potter digital audio books are available from many places, with Amazon being the most popular. On average each of the audio books cost about $10.