The series was originally published in English by two major publishers, Bloomsbury in the United Kingdom and Scholastic Press in the United States. The last four books consecutively set records as the fastest-selling books in history, with the final instalment selling roughly eleven million copies in the United States within twenty-four hours of its release. As of May 2013, the books have sold more than 500 million copies worldwide, making them the best-selling book series in history, and have been translated into seventy-three languages. The series has also had its share of criticism, including concern about the increasingly dark tone as the series progressed, as well as the often gruesome and graphic violence it depicts. They have attracted a wide adult audience as well as younger readers, and are often considered cornerstones of modern young adult literature. The series has now been translated into multiple languages including French, Irish, Spanish, German and Swedish to name a few. Since the release of the first novel, Harry Potter and the Philosopher's Stone, on 26 June 1997, the books have found immense popularity, critical acclaim and commercial success worldwide.

The main story arc concerns Harry's struggle against Lord Voldemort, a dark wizard who intends to become immortal, overthrow the wizard governing body known as the Ministry of Magic, and subjugate all wizards and Muggles, a reference term that means non-magical people.

The novels chronicle the life of a young wizard, Harry Potter, and his friends Hermione Granger and Ron Weasley, all of whom are students at Hogwarts School of Witchcraft and Wizardry.

Harry Potter is a series of fantasy novels written by British author J.

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