Harry Potter (film series) and darker." This transpired with the succeeding three directors who would work on the series in the following years, with the films beginning to deal with issues such as death, betrayal, prejudice, and political corruption as the series developed narratively and thematically. After Chris Columbus had finished working on "Harry Potter and the Philosopher's Stone", he was hired to direct the second film, "Harry Potter and the Chamber of Secrets". The production started within a week after the release of the first film. Columbus was set to direct all entries in the series, but he did not want to return
Harry Potter 11 million units in the first twenty-four hours of release. The series has also gathered adult fans, leading to the release of two editions of each "Harry Potter" book, identical in text but with one edition's cover artwork aimed at children and the other aimed at adults. Besides meeting online through blogs, podcasts, and fansites, "Harry Potter" super-fans can also meet at "Harry Potter" symposia. The word "Muggle" has spread beyond its "Harry Potter" origins, becoming one of few pop culture words to land in the Oxford English Dictionary. The Harry Potter fandom has embraced podcasts as a regular, often