There are seven Harry Potter books written by J.K. Rowling:
1. Harry Potter and the Philosopher's Stone (or Sorcerer's Stone in the United States)
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. Harry Potter and the Order of the Phoenix
6. Harry Potter and the Half-Blood Prince
7. Harry Potter and the Deathly Hallows
As for the movies, the book series was adapted into eight films. The final book, "Harry Potter and the Deathly Hallows," was split into two parts for the film adaptation, resulting in a total of eight movies:
1. Harry Potter and the Philosopher's Stone (2001)
2. Harry Potter and the Chamber of Secrets (2002)
3. Harry Potter and the Prisoner of Azkaban (2004)
4. Harry Potter and the Goblet of Fire (2005)
5. Harry Potter and the Order of the Phoenix (2007)
6. Harry Potter and the Half-Blood Prince (2009)
7. Harry Potter and the Deathly Hallows – Part 1 (2010)
8. Harry Potter and the Deathly Hallows – Part 2 (2011)
These books and movies have garnered immense popularity and have become cultural phenomena worldwide.