JK Rowling started writing the first Harry Potter book in 1991, and it was finally published in 1997, while in universe, it was still set in 1991. The second book was published in 1998, third in 1999, and the 4th in 2000. But then, the 5th book, which was huuuuge, was published in 2003 after a lapse of 3 years. The next two books were also ( Read more... )