The timeline of all of her published works is such:
1.) Harry Potter and the Philosopher's Stone
2.) Harry Potter and the Chamber of Secrets
3.) Harry Potter and the Prisoner of Azkaban
4.) Harry Potter and the Goblet of Fire
5 and 6.) Quidditch Through the Ages and Fantastic Beasts and Where to Find Them
7.) Harry Potter and the Order of the Phoenix
8.) Harry Potter and the Half-Blood Prince
9.) Harry Potter and the Deathly Hallows
10.) The Taled of Beedle the Bard
The answer then, to your question is Harry Potter and the Half-Blood Prince.
JK Rowling's books were published by Bloomsbury in the UK, Scholastic in the US and Raincoast in Canada.
I'm pretty sure it was Harry Potter and the Deathly Hallows
reading books
no she was a singer
Jane Austen, I think
Because, she WANTED to. You got a problem with it? Uh, Uh!
27th July 1993 ;-) she is jk rowlings oldest child
J.K. Rowling has blue eyes.
yes she did a little bit
Joann Kathleen Rowling
Albus Dumbledore
J.K. Rowling has not publicly disclosed her favorite place on Earth.