Message to correct the mistake made by the previous comment ... verification, it is indeed the full text of the book by JK Rowling. When we do not know, it is silent! Unless the author of the previous comment has undergone a confusion spell! Only the coverage changed, publishers wanting something that does less literature for children as there are no children who enjoy the magic of these books! So even if you know history through films, rediscover through the written version: you'll discover a thousand things overlooked in the movie version and live the adventure as if you were there !! As indispensable books a dictionary ...