Like real physical books? They don't exist unless you ask J.K. Rowling to make them for you.
Yes, the Harry Potter books. If you want more details about each spell and potions, please note that they are fictitious and won't work as in the books, so you can just as well make up your own spells and potions. In any case, there are references on the Web that collect all the details known from the books. You can find some things in the Wikipedia, or in the Harry Potter Lexicon.
Harry Potter will appear in the Harry Potter books. If he was to appear in any other published novel it would violate copyright.
Harry Potter audio books are not very challenging to find. Any retail store that sells books will likely sell Harry Potter audio books. Barnes & Noble sells Harry Potter audio books.
yes for the i-pad . if you get the i-books app you can buy any harry potter book.
go to any bookstore, or any online shopping site, and 100% chance you will find harry potter books for sale.
Harry Potter didn't write any books -- he is a fictional character, and not an intellectual one at that.
It is unknown if Freddie Highmore has read any Harry Potter books. It does not seem as if he has released any public information about this.
No, Ginny has never been in the hospital in any of the Harry Potter books.
Probably. Specifically about Harry Potter books, she formerly said she would not write any more books about Harry Potter. More recently, she said that she might.
There is no 'felinious' in any of the books.
There is no moral in any of the Harry Potter books. Just helping out and politeness.
There won't be any more Harry Potter books.