The Lord of the Rings is an epic high-fantasy series written by J.R.R. Tolkien. It follows the journey of Frodo Baggins, a hobbit, who is tasked with destroying the One Ring to prevent the Dark Lord Sauron from conquering Middle-earth. The series explores themes of friendship, sacrifice, and the struggle between good and evil. The story is renowned for its intricate world-building and has been adapted into several films, games, and other media.