The ending of the 7th book was written before the 2nd, 3rd, 4th, 5th, 6th books were even started.
J. K. Rowling you are one smart woman
Fact 3
The ending of the 7th book was written before the 2nd, 3rd, 4th, 5th, 6th books were even started.
J. K. Rowling you are one smart woman