Her inventiveness notwithstanding, many have faulted Rowling's prose style.
Voices: It fails to introduce wonder as flat and as English as old beer; Rowling's style as workman-like; gender roles are stereotyped, with boys out for action and the one salient girl character forever urging caution.
Harry Potter phenomenon is more complex than it at first may seem. Harry is a marketing juggernaut, the most visible example of the least admirable trends in today's children's literature industry. However, we should be wary of conflating the Harry Potter novels with the Harry Potter hype.
The confluence of cultural, fiscal, and legal forces in which HP is enmeshed may foster the belief that Harry's magic is nothing more than savvy marketing, but there is a magic beyond the marketing -> the magic of good storytelling.