The Lord of the Rings is an epic fantasy novel written by J.R.R. Tolkien, which has been adapted into a highly acclaimed film series directed by Peter Jackson. The story follows the quest to destroy a powerful ring that could bring darkness to Middle-earth, showcasing themes of friendship, sacrifice, and the struggle between good and evil. Its rich world-building, character development, and intricate plotlines have influenced various screenwriting styles in both fantasy and adventure genres.