The Harry Potter series has been criticized in many languages.
Harry Potter . The series has now been translated into multiple languages including French , Irish , Spanish , German and Swedish to name a few . 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 . , 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 .