Percy Jackson And The Lightning Thief Movie: Ten Differences Between The Book And The Movie

1. In the book, Percy was twelve years old, but in the movie, he was almost eighteen when he entered Camp Half-Blood.
2. Clarisse was mentioned in the book but not the movie.
3. In the book, Percy had to duel with Ares, but in the movie, the duel was with Luke.
4. In the book, Percy and his friends were sent on a quest to the Underworld but in the movie, they went on their own to the Underworld without permission.
5. In the book, Percy and his friends went to the Underworld to clear his name but in the movie, they went to rescue Percy's mother.
6. In the book, the campers only knew who Percy's father was during the battle for the flag. In the movie, the campers knew who Percy's father was the moment he stepped into Camp Half-Blood.
7. In the book, Percy and Annabeth were on the same team for the flag battle but in the movie, Percy and Annabeth were on different teams.
8. In the book, Luke sparred with Percy once but in the movie, Luke did not spar with Percy at all.
9. The Oracle was mentioned in the book but not in the movie.
10. In the book, Dionysus, the god of wine, was the director of Camp Half-Blood but in the movie, Chiron was.