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Riordan finished writing his manuscript in 1994. The Lightning Thief was first bought by Bantam Books in 1997. Bantam sold it to Miramax Books. Miramax published it on June 28, 2005. The book sold more than 1.2 million copies in the next four years. The book won many awards. In 2007, it was on The New York Times Best Seller list for children's books. It was one of the Young Adult Library Services Association's Best Books for Young Adults. It was made into a movie named Percy Jackson & the Olympians: The Lightning Thief. The movie was first shown in the United States on February 12, 2010. The sequel to this book is The Sea of Monsters.