The first book of the Harry Potter series is "Harry Potter and the Philosophers Stone". It is a fantasy novel written by British author J.K. Rowling and was first published in 1997. The book follows the story of Harry Potter, a young wizard who discovers his magical heritage on his eleventh birthday when he receives a letter of acceptance to Hogwarts School of Witchcraft and Wizardry. The book has won several awards, including the Nestlé Smarties Book Prize and the British Book Award.